Home / 22,531,991.60-31,094,156.64-12,218,711.92

Finding the Fourth Proportional to 22,531,991.60, 31,094,156.64 and 12,218,711.92

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Solution

The fourth proportional to 22,531,991.60, 31,094,156.64 and 12,218,711.92 is: 16,861,826.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,531,991.60 : 31,094,156.64 = 12,218,711.92 : x
  2. Step 2: Convert to fraction form
    22,531,991.60/31,094,156.64 = 12,218,711.92/x
  3. Step 3: Cross multiply
    22,531,991.60x = 31,094,156.64 × 12,218,711.92
  4. Step 4: Simplify right side
    22,531,991.60x = 379,930,542,379,515.12
  5. Step 5: Solve for x
    x = 379,930,542,379,515.12/22,531,991.60
  6. Step 6: Final answer
    x = 16,861,826.91

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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.