Home / 18,145,200.30-27,217,800.45-12,397,181.10

Finding the Fourth Proportional to 18,145,200.30, 27,217,800.45 and 12,397,181.10

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Solution

The fourth proportional to 18,145,200.30, 27,217,800.45 and 12,397,181.10 is: 18,595,771.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,200.30 : 27,217,800.45 = 12,397,181.10 : x
  2. Step 2: Convert to fraction form
    18,145,200.30/27,217,800.45 = 12,397,181.10/x
  3. Step 3: Cross multiply
    18,145,200.30x = 27,217,800.45 × 12,397,181.10
  4. Step 4: Simplify right side
    18,145,200.30x = 337,424,001,322,311.50
  5. Step 5: Solve for x
    x = 337,424,001,322,311.50/18,145,200.30
  6. Step 6: Final answer
    x = 18,595,771.65

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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.