Home / 28,023,610.80-42,035,416.20-15,888,385.20

Finding the Fourth Proportional to 28,023,610.80, 42,035,416.20 and 15,888,385.20

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Solution

The fourth proportional to 28,023,610.80, 42,035,416.20 and 15,888,385.20 is: 23,832,577.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,023,610.80 : 42,035,416.20 = 15,888,385.20 : x
  2. Step 2: Convert to fraction form
    28,023,610.80/42,035,416.20 = 15,888,385.20/x
  3. Step 3: Cross multiply
    28,023,610.80x = 42,035,416.20 × 15,888,385.20
  4. Step 4: Simplify right side
    28,023,610.80x = 667,874,884,627,920.25
  5. Step 5: Solve for x
    x = 667,874,884,627,920.25/28,023,610.80
  6. Step 6: Final answer
    x = 23,832,577.80

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1.5x scale

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.