Home / 40,918,321.80-61,386,340.05-12,167,363.70

Finding the Fourth Proportional to 40,918,321.80, 61,386,340.05 and 12,167,363.70

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Solution

The fourth proportional to 40,918,321.80, 61,386,340.05 and 12,167,363.70 is: 18,253,679.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,918,321.80 : 61,386,340.05 = 12,167,363.70 : x
  2. Step 2: Convert to fraction form
    40,918,321.80/61,386,340.05 = 12,167,363.70/x
  3. Step 3: Cross multiply
    40,918,321.80x = 61,386,340.05 × 12,167,363.70
  4. Step 4: Simplify right side
    40,918,321.80x = 746,909,925,600,226.12
  5. Step 5: Solve for x
    x = 746,909,925,600,226.12/40,918,321.80
  6. Step 6: Final answer
    x = 18,253,679.35

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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.