Home / 14,985,363.59-20,679,801.49-8,109,845.65

Finding the Fourth Proportional to 14,985,363.59, 20,679,801.49 and 8,109,845.65

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Solution

The fourth proportional to 14,985,363.59, 20,679,801.49 and 8,109,845.65 is: 11,191,586.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,985,363.59 : 20,679,801.49 = 8,109,845.65 : x
  2. Step 2: Convert to fraction form
    14,985,363.59/20,679,801.49 = 8,109,845.65/x
  3. Step 3: Cross multiply
    14,985,363.59x = 20,679,801.49 × 8,109,845.65
  4. Step 4: Simplify right side
    14,985,363.59x = 167,709,998,156,540
  5. Step 5: Solve for x
    x = 167,709,998,156,540/14,985,363.59
  6. Step 6: Final answer
    x = 11,191,586.85

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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.