Home / 18,104,125.20-27,156,187.80-15,765,784.80

Finding the Fourth Proportional to 18,104,125.20, 27,156,187.80 and 15,765,784.80

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Solution

The fourth proportional to 18,104,125.20, 27,156,187.80 and 15,765,784.80 is: 23,648,677.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,104,125.20 : 27,156,187.80 = 15,765,784.80 : x
  2. Step 2: Convert to fraction form
    18,104,125.20/27,156,187.80 = 15,765,784.80/x
  3. Step 3: Cross multiply
    18,104,125.20x = 27,156,187.80 × 15,765,784.80
  4. Step 4: Simplify right side
    18,104,125.20x = 428,138,612,843,185.50
  5. Step 5: Solve for x
    x = 428,138,612,843,185.50/18,104,125.20
  6. Step 6: Final answer
    x = 23,648,677.20

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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.