Home / 7,920,338.98-11,885,506.22-3,371,380.53

Finding the Fourth Proportional to 7,920,338.98, 11,885,506.22 and 3,371,380.53

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Solution

The fourth proportional to 7,920,338.98, 11,885,506.22 and 3,371,380.53 is: 5,059,198.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,920,338.98 : 11,885,506.22 = 3,371,380.53 : x
  2. Step 2: Convert to fraction form
    7,920,338.98/11,885,506.22 = 3,371,380.53/x
  3. Step 3: Cross multiply
    7,920,338.98x = 11,885,506.22 × 3,371,380.53
  4. Step 4: Simplify right side
    7,920,338.98x = 40,070,564,259,301.90
  5. Step 5: Solve for x
    x = 40,070,564,259,301.90/7,920,338.98
  6. Step 6: Final answer
    x = 5,059,198.14

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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.