Home / 7,161,064.10-9,882,529.17-3,897,721.07

Finding the Fourth Proportional to 7,161,064.10, 9,882,529.17 and 3,897,721.07

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Solution

The fourth proportional to 7,161,064.10, 9,882,529.17 and 3,897,721.07 is: 5,378,996.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161,064.10 : 9,882,529.17 = 3,897,721.07 : x
  2. Step 2: Convert to fraction form
    7,161,064.10/9,882,529.17 = 3,897,721.07/x
  3. Step 3: Cross multiply
    7,161,064.10x = 9,882,529.17 × 3,897,721.07
  4. Step 4: Simplify right side
    7,161,064.10x = 38,519,342,170,798.61
  5. Step 5: Solve for x
    x = 38,519,342,170,798.61/7,161,064.10
  6. Step 6: Final answer
    x = 5,378,996.98

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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.