Home / 13,689,305.04-20,554,143.28-7,635,864

Finding the Fourth Proportional to 13,689,305.04, 20,554,143.28 and 7,635,864

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Solution

The fourth proportional to 13,689,305.04, 20,554,143.28 and 7,635,864 is: 11,465,055.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,689,305.04 : 20,554,143.28 = 7,635,864 : x
  2. Step 2: Convert to fraction form
    13,689,305.04/20,554,143.28 = 7,635,864/x
  3. Step 3: Cross multiply
    13,689,305.04x = 20,554,143.28 × 7,635,864
  4. Step 4: Simplify right side
    13,689,305.04x = 156,948,642,722,593.94
  5. Step 5: Solve for x
    x = 156,948,642,722,593.94/13,689,305.04
  6. Step 6: Final answer
    x = 11,465,055.55

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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.