Home / 7,160,934.16-9,882,299.19-3,897,961.75

Finding the Fourth Proportional to 7,160,934.16, 9,882,299.19 and 3,897,961.75

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Solution

The fourth proportional to 7,160,934.16, 9,882,299.19 and 3,897,961.75 is: 5,379,301.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160,934.16 : 9,882,299.19 = 3,897,961.75 : x
  2. Step 2: Convert to fraction form
    7,160,934.16/9,882,299.19 = 3,897,961.75/x
  3. Step 3: Cross multiply
    7,160,934.16x = 9,882,299.19 × 3,897,961.75
  4. Step 4: Simplify right side
    7,160,934.16x = 38,520,824,244,675.98
  5. Step 5: Solve for x
    x = 38,520,824,244,675.98/7,160,934.16
  6. Step 6: Final answer
    x = 5,379,301.55

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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.