Home / 51,931,621.12-77,904,517.20-21,632,398.24

Finding the Fourth Proportional to 51,931,621.12, 77,904,517.20 and 21,632,398.24

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Solution

The fourth proportional to 51,931,621.12, 77,904,517.20 and 21,632,398.24 is: 32,451,548.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,931,621.12 : 77,904,517.20 = 21,632,398.24 : x
  2. Step 2: Convert to fraction form
    51,931,621.12/77,904,517.20 = 21,632,398.24/x
  3. Step 3: Cross multiply
    51,931,621.12x = 77,904,517.20 × 21,632,398.24
  4. Step 4: Simplify right side
    51,931,621.12x = 1,685,261,540,765,329.75
  5. Step 5: Solve for x
    x = 1,685,261,540,765,329.75/51,931,621.12
  6. Step 6: Final answer
    x = 32,451,548.87

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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.