Home / 8,220,844.20-12,331,266.30-2,541,642.60

Finding the Fourth Proportional to 8,220,844.20, 12,331,266.30 and 2,541,642.60

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Solution

The fourth proportional to 8,220,844.20, 12,331,266.30 and 2,541,642.60 is: 3,812,463.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220,844.20 : 12,331,266.30 = 2,541,642.60 : x
  2. Step 2: Convert to fraction form
    8,220,844.20/12,331,266.30 = 2,541,642.60/x
  3. Step 3: Cross multiply
    8,220,844.20x = 12,331,266.30 × 2,541,642.60
  4. Step 4: Simplify right side
    8,220,844.20x = 31,341,671,740,024.38
  5. Step 5: Solve for x
    x = 31,341,671,740,024.38/8,220,844.20
  6. Step 6: Final answer
    x = 3,812,463.90

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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.