Home / 14,074,523.60-21,086,902.20-12,481,998.80

Finding the Fourth Proportional to 14,074,523.60, 21,086,902.20 and 12,481,998.80

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Solution

The fourth proportional to 14,074,523.60, 21,086,902.20 and 12,481,998.80 is: 18,700,930.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,074,523.60 : 21,086,902.20 = 12,481,998.80 : x
  2. Step 2: Convert to fraction form
    14,074,523.60/21,086,902.20 = 12,481,998.80/x
  3. Step 3: Cross multiply
    14,074,523.60x = 21,086,902.20 × 12,481,998.80
  4. Step 4: Simplify right side
    14,074,523.60x = 263,206,687,956,117.38
  5. Step 5: Solve for x
    x = 263,206,687,956,117.38/14,074,523.60
  6. Step 6: Final answer
    x = 18,700,930.52

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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.