Home / 14,658,201.92-20,228,342.01-8,131,831.31

Finding the Fourth Proportional to 14,658,201.92, 20,228,342.01 and 8,131,831.31

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Solution

The fourth proportional to 14,658,201.92, 20,228,342.01 and 8,131,831.31 is: 11,221,940.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,658,201.92 : 20,228,342.01 = 8,131,831.31 : x
  2. Step 2: Convert to fraction form
    14,658,201.92/20,228,342.01 = 8,131,831.31/x
  3. Step 3: Cross multiply
    14,658,201.92x = 20,228,342.01 × 8,131,831.31
  4. Step 4: Simplify right side
    14,658,201.92x = 164,493,464,906,306.34
  5. Step 5: Solve for x
    x = 164,493,464,906,306.34/14,658,201.92
  6. Step 6: Final answer
    x = 11,221,940.17

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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.