Home / 13,079,940.62-18,050,174.81-7,199,449.07

Finding the Fourth Proportional to 13,079,940.62, 18,050,174.81 and 7,199,449.07

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Solution

The fourth proportional to 13,079,940.62, 18,050,174.81 and 7,199,449.07 is: 9,935,160.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,079,940.62 : 18,050,174.81 = 7,199,449.07 : x
  2. Step 2: Convert to fraction form
    13,079,940.62/18,050,174.81 = 7,199,449.07/x
  3. Step 3: Cross multiply
    13,079,940.62x = 18,050,174.81 × 7,199,449.07
  4. Step 4: Simplify right side
    13,079,940.62x = 129,951,314,249,191.92
  5. Step 5: Solve for x
    x = 129,951,314,249,191.92/13,079,940.62
  6. Step 6: Final answer
    x = 9,935,160.87

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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.