Home / 28,070,793.60-42,120,187.20-15,949,564.80

Finding the Fourth Proportional to 28,070,793.60, 42,120,187.20 and 15,949,564.80

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Solution

The fourth proportional to 28,070,793.60, 42,120,187.20 and 15,949,564.80 is: 23,932,300.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,070,793.60 : 42,120,187.20 = 15,949,564.80 : x
  2. Step 2: Convert to fraction form
    28,070,793.60/42,120,187.20 = 15,949,564.80/x
  3. Step 3: Cross multiply
    28,070,793.60x = 42,120,187.20 × 15,949,564.80
  4. Step 4: Simplify right side
    28,070,793.60x = 671,798,655,134,530.62
  5. Step 5: Solve for x
    x = 671,798,655,134,530.62/28,070,793.60
  6. Step 6: Final answer
    x = 23,932,300.05

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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.