Home / 8,262,046.20-12,393,069.30-7,340,881.80

Finding the Fourth Proportional to 8,262,046.20, 12,393,069.30 and 7,340,881.80

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Solution

The fourth proportional to 8,262,046.20, 12,393,069.30 and 7,340,881.80 is: 11,011,322.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,262,046.20 : 12,393,069.30 = 7,340,881.80 : x
  2. Step 2: Convert to fraction form
    8,262,046.20/12,393,069.30 = 7,340,881.80/x
  3. Step 3: Cross multiply
    8,262,046.20x = 12,393,069.30 × 7,340,881.80
  4. Step 4: Simplify right side
    8,262,046.20x = 90,976,056,870,508.75
  5. Step 5: Solve for x
    x = 90,976,056,870,508.75/8,262,046.20
  6. Step 6: Final answer
    x = 11,011,322.70

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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.