Home / 40,505,291.12-55,897,826.76-22,170,182.96

Finding the Fourth Proportional to 40,505,291.12, 55,897,826.76 and 22,170,182.96

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Solution

The fourth proportional to 40,505,291.12, 55,897,826.76 and 22,170,182.96 is: 30,595,139.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,505,291.12 : 55,897,826.76 = 22,170,182.96 : x
  2. Step 2: Convert to fraction form
    40,505,291.12/55,897,826.76 = 22,170,182.96/x
  3. Step 3: Cross multiply
    40,505,291.12x = 55,897,826.76 × 22,170,182.96
  4. Step 4: Simplify right side
    40,505,291.12x = 1,239,265,046,335,584
  5. Step 5: Solve for x
    x = 1,239,265,046,335,584/40,505,291.12
  6. Step 6: Final answer
    x = 30,595,139.85

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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.