Home / 14,906,896.75-20,571,320.28-8,291,440.45

Finding the Fourth Proportional to 14,906,896.75, 20,571,320.28 and 8,291,440.45

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Solution

The fourth proportional to 14,906,896.75, 20,571,320.28 and 8,291,440.45 is: 11,442,078.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,906,896.75 : 20,571,320.28 = 8,291,440.45 : x
  2. Step 2: Convert to fraction form
    14,906,896.75/20,571,320.28 = 8,291,440.45/x
  3. Step 3: Cross multiply
    14,906,896.75x = 20,571,320.28 × 8,291,440.45
  4. Step 4: Simplify right side
    14,906,896.75x = 170,565,877,079,497.34
  5. Step 5: Solve for x
    x = 170,565,877,079,497.34/14,906,896.75
  6. Step 6: Final answer
    x = 11,442,078.12

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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.