Home / 40,394,602.72-55,744,756.32-22,059,887.68

Finding the Fourth Proportional to 40,394,602.72, 55,744,756.32 and 22,059,887.68

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Solution

The fourth proportional to 40,394,602.72, 55,744,756.32 and 22,059,887.68 is: 30,442,756.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,394,602.72 : 55,744,756.32 = 22,059,887.68 : x
  2. Step 2: Convert to fraction form
    40,394,602.72/55,744,756.32 = 22,059,887.68/x
  3. Step 3: Cross multiply
    40,394,602.72x = 55,744,756.32 × 22,059,887.68
  4. Step 4: Simplify right side
    40,394,602.72x = 1,229,723,063,168,170.25
  5. Step 5: Solve for x
    x = 1,229,723,063,168,170.25/40,394,602.72
  6. Step 6: Final answer
    x = 30,442,756.71

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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.