Home / 18,302,132.16-25,233,961.86-13,398,841.80

Finding the Fourth Proportional to 18,302,132.16, 25,233,961.86 and 13,398,841.80

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Solution

The fourth proportional to 18,302,132.16, 25,233,961.86 and 13,398,841.80 is: 18,473,577.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,302,132.16 : 25,233,961.86 = 13,398,841.80 : x
  2. Step 2: Convert to fraction form
    18,302,132.16/25,233,961.86 = 13,398,841.80/x
  3. Step 3: Cross multiply
    18,302,132.16x = 25,233,961.86 × 13,398,841.80
  4. Step 4: Simplify right side
    18,302,132.16x = 338,105,862,949,373.75
  5. Step 5: Solve for x
    x = 338,105,862,949,373.75/18,302,132.16
  6. Step 6: Final answer
    x = 18,473,577.83

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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.