Home / 28,361,831.91-39,157,429.17-23,147,296.75

Finding the Fourth Proportional to 28,361,831.91, 39,157,429.17 and 23,147,296.75

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Solution

The fourth proportional to 28,361,831.91, 39,157,429.17 and 23,147,296.75 is: 31,958,042.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,361,831.91 : 39,157,429.17 = 23,147,296.75 : x
  2. Step 2: Convert to fraction form
    28,361,831.91/39,157,429.17 = 23,147,296.75/x
  3. Step 3: Cross multiply
    28,361,831.91x = 39,157,429.17 × 23,147,296.75
  4. Step 4: Simplify right side
    28,361,831.91x = 906,388,632,965,096.25
  5. Step 5: Solve for x
    x = 906,388,632,965,096.25/28,361,831.91
  6. Step 6: Final answer
    x = 31,958,042.62

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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.