Home / 14,711,818.68-20,301,991.56-8,517,128.04

Finding the Fourth Proportional to 14,711,818.68, 20,301,991.56 and 8,517,128.04

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Solution

The fourth proportional to 14,711,818.68, 20,301,991.56 and 8,517,128.04 is: 11,753,452.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,711,818.68 : 20,301,991.56 = 8,517,128.04 : x
  2. Step 2: Convert to fraction form
    14,711,818.68/20,301,991.56 = 8,517,128.04/x
  3. Step 3: Cross multiply
    14,711,818.68x = 20,301,991.56 × 8,517,128.04
  4. Step 4: Simplify right side
    14,711,818.68x = 172,914,661,583,519.31
  5. Step 5: Solve for x
    x = 172,914,661,583,519.31/14,711,818.68
  6. Step 6: Final answer
    x = 11,753,452.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.