Home / 18,397,230.76-25,387,034.30-10,136,830.78

Finding the Fourth Proportional to 18,397,230.76, 25,387,034.30 and 10,136,830.78

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Solution

The fourth proportional to 18,397,230.76, 25,387,034.30 and 10,136,830.78 is: 13,988,196.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,397,230.76 : 25,387,034.30 = 10,136,830.78 : x
  2. Step 2: Convert to fraction form
    18,397,230.76/25,387,034.30 = 10,136,830.78/x
  3. Step 3: Cross multiply
    18,397,230.76x = 25,387,034.30 × 10,136,830.78
  4. Step 4: Simplify right side
    18,397,230.76x = 257,344,070,705,155.75
  5. Step 5: Solve for x
    x = 257,344,070,705,155.75/18,397,230.76
  6. Step 6: Final answer
    x = 13,988,196.05

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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.