Home / 7,161,448.28-9,882,924.64-3,898,356.80

Finding the Fourth Proportional to 7,161,448.28, 9,882,924.64 and 3,898,356.80

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Solution

The fourth proportional to 7,161,448.28, 9,882,924.64 and 3,898,356.80 is: 5,379,800.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161,448.28 : 9,882,924.64 = 3,898,356.80 : x
  2. Step 2: Convert to fraction form
    7,161,448.28/9,882,924.64 = 3,898,356.80/x
  3. Step 3: Cross multiply
    7,161,448.28x = 9,882,924.64 × 3,898,356.80
  4. Step 4: Simplify right side
    7,161,448.28x = 38,527,166,474,231.55
  5. Step 5: Solve for x
    x = 38,527,166,474,231.55/7,161,448.28
  6. Step 6: Final answer
    x = 5,379,800.98

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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.