Home / 51,786,517.64-71,465,042.26-28,581,643.92

Finding the Fourth Proportional to 51,786,517.64, 71,465,042.26 and 28,581,643.92

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Solution

The fourth proportional to 51,786,517.64, 71,465,042.26 and 28,581,643.92 is: 39,442,474.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,786,517.64 : 71,465,042.26 = 28,581,643.92 : x
  2. Step 2: Convert to fraction form
    51,786,517.64/71,465,042.26 = 28,581,643.92/x
  3. Step 3: Cross multiply
    51,786,517.64x = 71,465,042.26 × 28,581,643.92
  4. Step 4: Simplify right side
    51,786,517.64x = 2,042,588,390,603,072.25
  5. Step 5: Solve for x
    x = 2,042,588,390,603,072.25/51,786,517.64
  6. Step 6: Final answer
    x = 39,442,474.29

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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.