Home / 10,221,347.60-15,332,021.40-6,442,211.60

Finding the Fourth Proportional to 10,221,347.60, 15,332,021.40 and 6,442,211.60

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Solution

The fourth proportional to 10,221,347.60, 15,332,021.40 and 6,442,211.60 is: 9,663,317.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,221,347.60 : 15,332,021.40 = 6,442,211.60 : x
  2. Step 2: Convert to fraction form
    10,221,347.60/15,332,021.40 = 6,442,211.60/x
  3. Step 3: Cross multiply
    10,221,347.60x = 15,332,021.40 × 6,442,211.60
  4. Step 4: Simplify right side
    10,221,347.60x = 98,772,126,114,528.23
  5. Step 5: Solve for x
    x = 98,772,126,114,528.23/10,221,347.60
  6. Step 6: Final answer
    x = 9,663,317.40

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.