Home / 30,281,794.24-45,388,831.92-15,906,380.80

Finding the Fourth Proportional to 30,281,794.24, 45,388,831.92 and 15,906,380.80

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Solution

The fourth proportional to 30,281,794.24, 45,388,831.92 and 15,906,380.80 is: 23,841,785.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,281,794.24 : 45,388,831.92 = 15,906,380.80 : x
  2. Step 2: Convert to fraction form
    30,281,794.24/45,388,831.92 = 15,906,380.80/x
  3. Step 3: Cross multiply
    30,281,794.24x = 45,388,831.92 × 15,906,380.80
  4. Step 4: Simplify right side
    30,281,794.24x = 721,972,044,586,715.25
  5. Step 5: Solve for x
    x = 721,972,044,586,715.25/30,281,794.24
  6. Step 6: Final answer
    x = 23,841,785.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.