Home / 7,161,449.91-9,882,926.87-3,898,358.43

Finding the Fourth Proportional to 7,161,449.91, 9,882,926.87 and 3,898,358.43

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Solution

The fourth proportional to 7,161,449.91, 9,882,926.87 and 3,898,358.43 is: 5,379,803.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161,449.91 : 9,882,926.87 = 3,898,358.43 : x
  2. Step 2: Convert to fraction form
    7,161,449.91/9,882,926.87 = 3,898,358.43/x
  3. Step 3: Cross multiply
    7,161,449.91x = 9,882,926.87 × 3,898,358.43
  4. Step 4: Simplify right side
    7,161,449.91x = 38,527,191,276,738.02
  5. Step 5: Solve for x
    x = 38,527,191,276,738.02/7,161,449.91
  6. Step 6: Final answer
    x = 5,379,803.22

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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.