Home / 39,517,019.76-54,534,132.98-21,634,941.85

Finding the Fourth Proportional to 39,517,019.76, 54,534,132.98 and 21,634,941.85

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Solution

The fourth proportional to 39,517,019.76, 54,534,132.98 and 21,634,941.85 is: 29,856,573.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,517,019.76 : 54,534,132.98 = 21,634,941.85 : x
  2. Step 2: Convert to fraction form
    39,517,019.76/54,534,132.98 = 21,634,941.85/x
  3. Step 3: Cross multiply
    39,517,019.76x = 54,534,132.98 × 21,634,941.85
  4. Step 4: Simplify right side
    39,517,019.76x = 1,179,842,795,780,219.25
  5. Step 5: Solve for x
    x = 1,179,842,795,780,219.25/39,517,019.76
  6. Step 6: Final answer
    x = 29,856,573.27

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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.