Home / 15,502,456.10-23,253,684.15-12,139,537.70

Finding the Fourth Proportional to 15,502,456.10, 23,253,684.15 and 12,139,537.70

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Solution

The fourth proportional to 15,502,456.10, 23,253,684.15 and 12,139,537.70 is: 18,209,306.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,502,456.10 : 23,253,684.15 = 12,139,537.70 : x
  2. Step 2: Convert to fraction form
    15,502,456.10/23,253,684.15 = 12,139,537.70/x
  3. Step 3: Cross multiply
    15,502,456.10x = 23,253,684.15 × 12,139,537.70
  4. Step 4: Simplify right side
    15,502,456.10x = 282,288,975,402,817.44
  5. Step 5: Solve for x
    x = 282,288,975,402,817.44/15,502,456.10
  6. Step 6: Final answer
    x = 18,209,306.55

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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.