Home / 10,377,321.40-15,523,991.70-9,117,609.40

Finding the Fourth Proportional to 10,377,321.40, 15,523,991.70 and 9,117,609.40

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Solution

The fourth proportional to 10,377,321.40, 15,523,991.70 and 9,117,609.40 is: 13,639,520.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,377,321.40 : 15,523,991.70 = 9,117,609.40 : x
  2. Step 2: Convert to fraction form
    10,377,321.40/15,523,991.70 = 9,117,609.40/x
  3. Step 3: Cross multiply
    10,377,321.40x = 15,523,991.70 × 9,117,609.40
  4. Step 4: Simplify right side
    10,377,321.40x = 141,541,692,649,441.97
  5. Step 5: Solve for x
    x = 141,541,692,649,441.97/10,377,321.40
  6. Step 6: Final answer
    x = 13,639,520.95

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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.