Home / 28,039,486.80-42,059,230.20-15,904,261.20

Finding the Fourth Proportional to 28,039,486.80, 42,059,230.20 and 15,904,261.20

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Solution

The fourth proportional to 28,039,486.80, 42,059,230.20 and 15,904,261.20 is: 23,856,391.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,039,486.80 : 42,059,230.20 = 15,904,261.20 : x
  2. Step 2: Convert to fraction form
    28,039,486.80/42,059,230.20 = 15,904,261.20/x
  3. Step 3: Cross multiply
    28,039,486.80x = 42,059,230.20 × 15,904,261.20
  4. Step 4: Simplify right side
    28,039,486.80x = 668,920,982,971,728.25
  5. Step 5: Solve for x
    x = 668,920,982,971,728.25/28,039,486.80
  6. Step 6: Final answer
    x = 23,856,391.80

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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.