Home / 38,674,977.60-57,949,480.80-28,471,310.40

Finding the Fourth Proportional to 38,674,977.60, 57,949,480.80 and 28,471,310.40

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Solution

The fourth proportional to 38,674,977.60, 57,949,480.80 and 28,471,310.40 is: 42,660,597.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,674,977.60 : 57,949,480.80 = 28,471,310.40 : x
  2. Step 2: Convert to fraction form
    38,674,977.60/57,949,480.80 = 28,471,310.40/x
  3. Step 3: Cross multiply
    38,674,977.60x = 57,949,480.80 × 28,471,310.40
  4. Step 4: Simplify right side
    38,674,977.60x = 1,649,897,655,375,640.25
  5. Step 5: Solve for x
    x = 1,649,897,655,375,640.25/38,674,977.60
  6. Step 6: Final answer
    x = 42,660,597.57

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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.