Home / 40,394,599.72-55,744,752.18-22,059,884.68

Finding the Fourth Proportional to 40,394,599.72, 55,744,752.18 and 22,059,884.68

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Solution

The fourth proportional to 40,394,599.72, 55,744,752.18 and 22,059,884.68 is: 30,442,752.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,394,599.72 : 55,744,752.18 = 22,059,884.68 : x
  2. Step 2: Convert to fraction form
    40,394,599.72/55,744,752.18 = 22,059,884.68/x
  3. Step 3: Cross multiply
    40,394,599.72x = 55,744,752.18 × 22,059,884.68
  4. Step 4: Simplify right side
    40,394,599.72x = 1,229,722,804,605,978.50
  5. Step 5: Solve for x
    x = 1,229,722,804,605,978.50/40,394,599.72
  6. Step 6: Final answer
    x = 30,442,752.57

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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.