Home / 18,145,467.20-27,218,200.80-12,098,849.60

Finding the Fourth Proportional to 18,145,467.20, 27,218,200.80 and 12,098,849.60

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Solution

The fourth proportional to 18,145,467.20, 27,218,200.80 and 12,098,849.60 is: 18,148,274.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,467.20 : 27,218,200.80 = 12,098,849.60 : x
  2. Step 2: Convert to fraction form
    18,145,467.20/27,218,200.80 = 12,098,849.60/x
  3. Step 3: Cross multiply
    18,145,467.20x = 27,218,200.80 × 12,098,849.60
  4. Step 4: Simplify right side
    18,145,467.20x = 329,308,917,861,799.69
  5. Step 5: Solve for x
    x = 329,308,917,861,799.69/18,145,467.20
  6. Step 6: Final answer
    x = 18,148,274.40

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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.