Home / 11,808,531.20-17,712,796.80-4,234,512.80

Finding the Fourth Proportional to 11,808,531.20, 17,712,796.80 and 4,234,512.80

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Solution

The fourth proportional to 11,808,531.20, 17,712,796.80 and 4,234,512.80 is: 6,351,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,808,531.20 : 17,712,796.80 = 4,234,512.80 : x
  2. Step 2: Convert to fraction form
    11,808,531.20/17,712,796.80 = 4,234,512.80/x
  3. Step 3: Cross multiply
    11,808,531.20x = 17,712,796.80 × 4,234,512.80
  4. Step 4: Simplify right side
    11,808,531.20x = 75,005,064,773,399.05
  5. Step 5: Solve for x
    x = 75,005,064,773,399.05/11,808,531.20
  6. Step 6: Final answer
    x = 6,351,769.20

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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.