Home / 7,169,747.40-9,894,126.30-3,906,589.20

Finding the Fourth Proportional to 7,169,747.40, 9,894,126.30 and 3,906,589.20

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Solution

The fourth proportional to 7,169,747.40, 9,894,126.30 and 3,906,589.20 is: 5,391,024.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,169,747.40 : 9,894,126.30 = 3,906,589.20 : x
  2. Step 2: Convert to fraction form
    7,169,747.40/9,894,126.30 = 3,906,589.20/x
  3. Step 3: Cross multiply
    7,169,747.40x = 9,894,126.30 × 3,906,589.20
  4. Step 4: Simplify right side
    7,169,747.40x = 38,652,286,947,015.96
  5. Step 5: Solve for x
    x = 38,652,286,947,015.96/7,169,747.40
  6. Step 6: Final answer
    x = 5,391,024.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.