Home / 8,238,276.20-12,332,531.10-7,242,948.20

Finding the Fourth Proportional to 8,238,276.20, 12,332,531.10 and 7,242,948.20

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Solution

The fourth proportional to 8,238,276.20, 12,332,531.10 and 7,242,948.20 is: 10,842,545.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,238,276.20 : 12,332,531.10 = 7,242,948.20 : x
  2. Step 2: Convert to fraction form
    8,238,276.20/12,332,531.10 = 7,242,948.20/x
  3. Step 3: Cross multiply
    8,238,276.20x = 12,332,531.10 × 7,242,948.20
  4. Step 4: Simplify right side
    8,238,276.20x = 89,323,883,932,189.02
  5. Step 5: Solve for x
    x = 89,323,883,932,189.02/8,238,276.20
  6. Step 6: Final answer
    x = 10,842,545.43

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1.5x scale

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.