Home / 25,432,613.80-38,148,920.70-8,160,781.30

Finding the Fourth Proportional to 25,432,613.80, 38,148,920.70 and 8,160,781.30

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Solution

The fourth proportional to 25,432,613.80, 38,148,920.70 and 8,160,781.30 is: 12,241,171.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,432,613.80 : 38,148,920.70 = 8,160,781.30 : x
  2. Step 2: Convert to fraction form
    25,432,613.80/38,148,920.70 = 8,160,781.30/x
  3. Step 3: Cross multiply
    25,432,613.80x = 38,148,920.70 × 8,160,781.30
  4. Step 4: Simplify right side
    25,432,613.80x = 311,324,998,663,742.94
  5. Step 5: Solve for x
    x = 311,324,998,663,742.94/25,432,613.80
  6. Step 6: Final answer
    x = 12,241,171.95

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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.