Home / 18,650,048.28-25,737,860.91-10,390,105.88

Finding the Fourth Proportional to 18,650,048.28, 25,737,860.91 and 10,390,105.88

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Solution

The fourth proportional to 18,650,048.28, 25,737,860.91 and 10,390,105.88 is: 14,338,788.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,650,048.28 : 25,737,860.91 = 10,390,105.88 : x
  2. Step 2: Convert to fraction form
    18,650,048.28/25,737,860.91 = 10,390,105.88/x
  3. Step 3: Cross multiply
    18,650,048.28x = 25,737,860.91 × 10,390,105.88
  4. Step 4: Simplify right side
    18,650,048.28x = 267,419,099,979,613.19
  5. Step 5: Solve for x
    x = 267,419,099,979,613.19/18,650,048.28
  6. Step 6: Final answer
    x = 14,338,788.62

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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.