Home / 7,160,945.16-9,882,314.37-3,897,972.75

Finding the Fourth Proportional to 7,160,945.16, 9,882,314.37 and 3,897,972.75

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Solution

The fourth proportional to 7,160,945.16, 9,882,314.37 and 3,897,972.75 is: 5,379,316.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160,945.16 : 9,882,314.37 = 3,897,972.75 : x
  2. Step 2: Convert to fraction form
    7,160,945.16/9,882,314.37 = 3,897,972.75/x
  3. Step 3: Cross multiply
    7,160,945.16x = 9,882,314.37 × 3,897,972.75
  4. Step 4: Simplify right side
    7,160,945.16x = 38,520,992,121,193.41
  5. Step 5: Solve for x
    x = 38,520,992,121,193.41/7,160,945.16
  6. Step 6: Final answer
    x = 5,379,316.73

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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.