Home / 40,918,330.30-61,386,352.80-12,167,372.20

Finding the Fourth Proportional to 40,918,330.30, 61,386,352.80 and 12,167,372.20

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Solution

The fourth proportional to 40,918,330.30, 61,386,352.80 and 12,167,372.20 is: 18,253,692.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,918,330.30 : 61,386,352.80 = 12,167,372.20 : x
  2. Step 2: Convert to fraction form
    40,918,330.30/61,386,352.80 = 12,167,372.20/x
  3. Step 3: Cross multiply
    40,918,330.30x = 61,386,352.80 × 12,167,372.20
  4. Step 4: Simplify right side
    40,918,330.30x = 746,910,602,518,112.12
  5. Step 5: Solve for x
    x = 746,910,602,518,112.12/40,918,330.30
  6. Step 6: Final answer
    x = 18,253,692.10

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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.