Home / 7,665,840.39-11,503,874.13-3,976,264.61

Finding the Fourth Proportional to 7,665,840.39, 11,503,874.13 and 3,976,264.61

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Solution

The fourth proportional to 7,665,840.39, 11,503,874.13 and 3,976,264.61 is: 5,967,049.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,665,840.39 : 11,503,874.13 = 3,976,264.61 : x
  2. Step 2: Convert to fraction form
    7,665,840.39/11,503,874.13 = 3,976,264.61/x
  3. Step 3: Cross multiply
    7,665,840.39x = 11,503,874.13 × 3,976,264.61
  4. Step 4: Simplify right side
    7,665,840.39x = 45,742,447,523,494.17
  5. Step 5: Solve for x
    x = 45,742,447,523,494.17/7,665,840.39
  6. Step 6: Final answer
    x = 5,967,049.30

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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.