Home / 13,613,275.92-20,419,839.89-7,852,275.12

Finding the Fourth Proportional to 13,613,275.92, 20,419,839.89 and 7,852,275.12

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Solution

The fourth proportional to 13,613,275.92, 20,419,839.89 and 7,852,275.12 is: 11,778,370.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,613,275.92 : 20,419,839.89 = 7,852,275.12 : x
  2. Step 2: Convert to fraction form
    13,613,275.92/20,419,839.89 = 7,852,275.12/x
  3. Step 3: Cross multiply
    13,613,275.92x = 20,419,839.89 × 7,852,275.12
  4. Step 4: Simplify right side
    13,613,275.92x = 160,342,200,722,630.53
  5. Step 5: Solve for x
    x = 160,342,200,722,630.53/13,613,275.92
  6. Step 6: Final answer
    x = 11,778,370.00

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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.