Home / 38,675,057.60-57,949,600.80-28,471,390.40

Finding the Fourth Proportional to 38,675,057.60, 57,949,600.80 and 28,471,390.40

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Solution

The fourth proportional to 38,675,057.60, 57,949,600.80 and 28,471,390.40 is: 42,660,717.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,675,057.60 : 57,949,600.80 = 28,471,390.40 : x
  2. Step 2: Convert to fraction form
    38,675,057.60/57,949,600.80 = 28,471,390.40/x
  3. Step 3: Cross multiply
    38,675,057.60x = 57,949,600.80 × 28,471,390.40
  4. Step 4: Simplify right side
    38,675,057.60x = 1,649,905,707,900,952.25
  5. Step 5: Solve for x
    x = 1,649,905,707,900,952.25/38,675,057.60
  6. Step 6: Final answer
    x = 42,660,717.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.