Home / 8,287,153.40-12,431,459.10-2,531,186.48

Finding the Fourth Proportional to 8,287,153.40, 12,431,459.10 and 2,531,186.48

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Solution

The fourth proportional to 8,287,153.40, 12,431,459.10 and 2,531,186.48 is: 3,797,002.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,287,153.40 : 12,431,459.10 = 2,531,186.48 : x
  2. Step 2: Convert to fraction form
    8,287,153.40/12,431,459.10 = 2,531,186.48/x
  3. Step 3: Cross multiply
    8,287,153.40x = 12,431,459.10 × 2,531,186.48
  4. Step 4: Simplify right side
    8,287,153.40x = 31,466,341,200,592.97
  5. Step 5: Solve for x
    x = 31,466,341,200,592.97/8,287,153.40
  6. Step 6: Final answer
    x = 3,797,002.38

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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.