Home / 7,127,341.60-10,691,012.40-7,021,053.40

Finding the Fourth Proportional to 7,127,341.60, 10,691,012.40 and 7,021,053.40

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Solution

The fourth proportional to 7,127,341.60, 10,691,012.40 and 7,021,053.40 is: 10,531,580.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127,341.60 : 10,691,012.40 = 7,021,053.40 : x
  2. Step 2: Convert to fraction form
    7,127,341.60/10,691,012.40 = 7,021,053.40/x
  3. Step 3: Cross multiply
    7,127,341.60x = 10,691,012.40 × 7,021,053.40
  4. Step 4: Simplify right side
    7,127,341.60x = 75,062,168,960,462.17
  5. Step 5: Solve for x
    x = 75,062,168,960,462.17/7,127,341.60
  6. Step 6: Final answer
    x = 10,531,580.10

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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.