Home / 7,161,423.08-9,882,889.92-3,898,331.60

Finding the Fourth Proportional to 7,161,423.08, 9,882,889.92 and 3,898,331.60

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Solution

The fourth proportional to 7,161,423.08, 9,882,889.92 and 3,898,331.60 is: 5,379,766.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161,423.08 : 9,882,889.92 = 3,898,331.60 : x
  2. Step 2: Convert to fraction form
    7,161,423.08/9,882,889.92 = 3,898,331.60/x
  3. Step 3: Cross multiply
    7,161,423.08x = 9,882,889.92 × 3,898,331.60
  4. Step 4: Simplify right side
    7,161,423.08x = 38,526,782,074,457.47
  5. Step 5: Solve for x
    x = 38,526,782,074,457.47/7,161,423.08
  6. Step 6: Final answer
    x = 5,379,766.23

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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.