Home / 31,248,382.76-43,123,113.12-17,309,951.36

Finding the Fourth Proportional to 31,248,382.76, 43,123,113.12 and 17,309,951.36

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Solution

The fourth proportional to 31,248,382.76, 43,123,113.12 and 17,309,951.36 is: 23,887,923.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,248,382.76 : 43,123,113.12 = 17,309,951.36 : x
  2. Step 2: Convert to fraction form
    31,248,382.76/43,123,113.12 = 17,309,951.36/x
  3. Step 3: Cross multiply
    31,248,382.76x = 43,123,113.12 × 17,309,951.36
  4. Step 4: Simplify right side
    31,248,382.76x = 746,458,990,598,977.75
  5. Step 5: Solve for x
    x = 746,458,990,598,977.75/31,248,382.76
  6. Step 6: Final answer
    x = 23,887,923.94

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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.