Home / 18,145,800.90-27,218,701.35-15,682,364.10

Finding the Fourth Proportional to 18,145,800.90, 27,218,701.35 and 15,682,364.10

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Solution

The fourth proportional to 18,145,800.90, 27,218,701.35 and 15,682,364.10 is: 23,523,546.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,800.90 : 27,218,701.35 = 15,682,364.10 : x
  2. Step 2: Convert to fraction form
    18,145,800.90/27,218,701.35 = 15,682,364.10/x
  3. Step 3: Cross multiply
    18,145,800.90x = 27,218,701.35 × 15,682,364.10
  4. Step 4: Simplify right side
    18,145,800.90x = 426,853,584,899,861.56
  5. Step 5: Solve for x
    x = 426,853,584,899,861.56/18,145,800.90
  6. Step 6: Final answer
    x = 23,523,546.15

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1.5x scale

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.