Home / 20,527,363.76-28,326,609.42-11,234,914.89

Finding the Fourth Proportional to 20,527,363.76, 28,326,609.42 and 11,234,914.89

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Solution

The fourth proportional to 20,527,363.76, 28,326,609.42 and 11,234,914.89 is: 15,503,551.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,527,363.76 : 28,326,609.42 = 11,234,914.89 : x
  2. Step 2: Convert to fraction form
    20,527,363.76/28,326,609.42 = 11,234,914.89/x
  3. Step 3: Cross multiply
    20,527,363.76x = 28,326,609.42 × 11,234,914.89
  4. Step 4: Simplify right side
    20,527,363.76x = 318,247,045,982,436
  5. Step 5: Solve for x
    x = 318,247,045,982,436/20,527,363.76
  6. Step 6: Final answer
    x = 15,503,551.74

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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.