Home / 6,642,993.28-9,167,358.72-3,742,418.92

Finding the Fourth Proportional to 6,642,993.28, 9,167,358.72 and 3,742,418.92

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Solution

The fourth proportional to 6,642,993.28, 9,167,358.72 and 3,742,418.92 is: 5,164,553.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642,993.28 : 9,167,358.72 = 3,742,418.92 : x
  2. Step 2: Convert to fraction form
    6,642,993.28/9,167,358.72 = 3,742,418.92/x
  3. Step 3: Cross multiply
    6,642,993.28x = 9,167,358.72 × 3,742,418.92
  4. Step 4: Simplify right side
    6,642,993.28x = 34,308,096,720,154.98
  5. Step 5: Solve for x
    x = 34,308,096,720,154.98/6,642,993.28
  6. Step 6: Final answer
    x = 5,164,553.88

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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.