Home / 40,025,862.87-55,235,737.98-21,691,148.37

Finding the Fourth Proportional to 40,025,862.87, 55,235,737.98 and 21,691,148.37

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Solution

The fourth proportional to 40,025,862.87, 55,235,737.98 and 21,691,148.37 is: 29,933,810.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,025,862.87 : 55,235,737.98 = 21,691,148.37 : x
  2. Step 2: Convert to fraction form
    40,025,862.87/55,235,737.98 = 21,691,148.37/x
  3. Step 3: Cross multiply
    40,025,862.87x = 55,235,737.98 × 21,691,148.37
  4. Step 4: Simplify right side
    40,025,862.87x = 1,198,126,587,850,624
  5. Step 5: Solve for x
    x = 1,198,126,587,850,624/40,025,862.87
  6. Step 6: Final answer
    x = 29,933,810.34

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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.