Home / 31,504,943.20-47,257,414.80-11,307,560.80

Finding the Fourth Proportional to 31,504,943.20, 47,257,414.80 and 11,307,560.80

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Solution

The fourth proportional to 31,504,943.20, 47,257,414.80 and 11,307,560.80 is: 16,961,341.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,504,943.20 : 47,257,414.80 = 11,307,560.80 : x
  2. Step 2: Convert to fraction form
    31,504,943.20/47,257,414.80 = 11,307,560.80/x
  3. Step 3: Cross multiply
    31,504,943.20x = 47,257,414.80 × 11,307,560.80
  4. Step 4: Simplify right side
    31,504,943.20x = 534,366,091,101,819.81
  5. Step 5: Solve for x
    x = 534,366,091,101,819.81/31,504,943.20
  6. Step 6: Final answer
    x = 16,961,341.20

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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.