Home / 7,161,042.76-9,882,499.80-3,897,699.76

Finding the Fourth Proportional to 7,161,042.76, 9,882,499.80 and 3,897,699.76

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Solution

The fourth proportional to 7,161,042.76, 9,882,499.80 and 3,897,699.76 is: 5,378,967.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161,042.76 : 9,882,499.80 = 3,897,699.76 : x
  2. Step 2: Convert to fraction form
    7,161,042.76/9,882,499.80 = 3,897,699.76/x
  3. Step 3: Cross multiply
    7,161,042.76x = 9,882,499.80 × 3,897,699.76
  4. Step 4: Simplify right side
    7,161,042.76x = 38,519,017,098,660.05
  5. Step 5: Solve for x
    x = 38,519,017,098,660.05/7,161,042.76
  6. Step 6: Final answer
    x = 5,378,967.62

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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.