Home / 31,087,735.76-42,899,133.40-17,149,252.08

Finding the Fourth Proportional to 31,087,735.76, 42,899,133.40 and 17,149,252.08

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Solution

The fourth proportional to 31,087,735.76, 42,899,133.40 and 17,149,252.08 is: 23,664,896.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,087,735.76 : 42,899,133.40 = 17,149,252.08 : x
  2. Step 2: Convert to fraction form
    31,087,735.76/42,899,133.40 = 17,149,252.08/x
  3. Step 3: Cross multiply
    31,087,735.76x = 42,899,133.40 × 17,149,252.08
  4. Step 4: Simplify right side
    31,087,735.76x = 735,688,052,690,147.38
  5. Step 5: Solve for x
    x = 735,688,052,690,147.38/31,087,735.76
  6. Step 6: Final answer
    x = 23,664,896.61

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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.