Home / 12,217,939.90-16,859,773.77-7,061,635.42

Finding the Fourth Proportional to 12,217,939.90, 16,859,773.77 and 7,061,635.42

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Solution

The fourth proportional to 12,217,939.90, 16,859,773.77 and 7,061,635.42 is: 9,744,488.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,217,939.90 : 16,859,773.77 = 7,061,635.42 : x
  2. Step 2: Convert to fraction form
    12,217,939.90/16,859,773.77 = 7,061,635.42/x
  3. Step 3: Cross multiply
    12,217,939.90x = 16,859,773.77 × 7,061,635.42
  4. Step 4: Simplify right side
    12,217,939.90x = 119,057,575,627,418.92
  5. Step 5: Solve for x
    x = 119,057,575,627,418.92/12,217,939.90
  6. Step 6: Final answer
    x = 9,744,488.56

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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.