Home / 14,906,828.66-20,571,299.80-8,380,487.14

Finding the Fourth Proportional to 14,906,828.66, 20,571,299.80 and 8,380,487.14

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Solution

The fourth proportional to 14,906,828.66, 20,571,299.80 and 8,380,487.14 is: 11,565,002.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,906,828.66 : 20,571,299.80 = 8,380,487.14 : x
  2. Step 2: Convert to fraction form
    14,906,828.66/20,571,299.80 = 8,380,487.14/x
  3. Step 3: Cross multiply
    14,906,828.66x = 20,571,299.80 × 8,380,487.14
  4. Step 4: Simplify right side
    14,906,828.66x = 172,397,513,426,984.56
  5. Step 5: Solve for x
    x = 172,397,513,426,984.56/14,906,828.66
  6. Step 6: Final answer
    x = 11,565,002.68

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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.