Home / 8,981,878.86-12,391,082.01-5,497,372.76

Finding the Fourth Proportional to 8,981,878.86, 12,391,082.01 and 5,497,372.76

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Solution

The fourth proportional to 8,981,878.86, 12,391,082.01 and 5,497,372.76 is: 7,583,980.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,981,878.86 : 12,391,082.01 = 5,497,372.76 : x
  2. Step 2: Convert to fraction form
    8,981,878.86/12,391,082.01 = 5,497,372.76/x
  3. Step 3: Cross multiply
    8,981,878.86x = 12,391,082.01 × 5,497,372.76
  4. Step 4: Simplify right side
    8,981,878.86x = 68,118,396,739,677.75
  5. Step 5: Solve for x
    x = 68,118,396,739,677.75/8,981,878.86
  6. Step 6: Final answer
    x = 7,583,980.79

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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.