Home / 10,221,363.60-15,332,045.40-6,442,227.60

Finding the Fourth Proportional to 10,221,363.60, 15,332,045.40 and 6,442,227.60

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Solution

The fourth proportional to 10,221,363.60, 15,332,045.40 and 6,442,227.60 is: 9,663,341.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,221,363.60 : 15,332,045.40 = 6,442,227.60 : x
  2. Step 2: Convert to fraction form
    10,221,363.60/15,332,045.40 = 6,442,227.60/x
  3. Step 3: Cross multiply
    10,221,363.60x = 15,332,045.40 × 6,442,227.60
  4. Step 4: Simplify right side
    10,221,363.60x = 98,772,526,040,333.03
  5. Step 5: Solve for x
    x = 98,772,526,040,333.03/10,221,363.60
  6. Step 6: Final answer
    x = 9,663,341.40

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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.