Home / 18,145,401.70-27,218,102.55-12,098,784.10

Finding the Fourth Proportional to 18,145,401.70, 27,218,102.55 and 12,098,784.10

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Solution

The fourth proportional to 18,145,401.70, 27,218,102.55 and 12,098,784.10 is: 18,148,176.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,401.70 : 27,218,102.55 = 12,098,784.10 : x
  2. Step 2: Convert to fraction form
    18,145,401.70/27,218,102.55 = 12,098,784.10/x
  3. Step 3: Cross multiply
    18,145,401.70x = 27,218,102.55 × 12,098,784.10
  4. Step 4: Simplify right side
    18,145,401.70x = 329,305,946,364,109.44
  5. Step 5: Solve for x
    x = 329,305,946,364,109.44/18,145,401.70
  6. Step 6: Final answer
    x = 18,148,176.15

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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.