Home / 31,248,353.78-43,123,073.11-17,309,922.38

Finding the Fourth Proportional to 31,248,353.78, 43,123,073.11 and 17,309,922.38

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Solution

The fourth proportional to 31,248,353.78, 43,123,073.11 and 17,309,922.38 is: 23,887,883.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,248,353.78 : 43,123,073.11 = 17,309,922.38 : x
  2. Step 2: Convert to fraction form
    31,248,353.78/43,123,073.11 = 17,309,922.38/x
  3. Step 3: Cross multiply
    31,248,353.78x = 43,123,073.11 × 17,309,922.38
  4. Step 4: Simplify right side
    31,248,353.78x = 746,457,048,062,275
  5. Step 5: Solve for x
    x = 746,457,048,062,275/31,248,353.78
  6. Step 6: Final answer
    x = 23,887,883.93

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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.