Home / 14,074,521.60-21,086,899.20-12,481,996.80

Finding the Fourth Proportional to 14,074,521.60, 21,086,899.20 and 12,481,996.80

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Solution

The fourth proportional to 14,074,521.60, 21,086,899.20 and 12,481,996.80 is: 18,700,927.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,074,521.60 : 21,086,899.20 = 12,481,996.80 : x
  2. Step 2: Convert to fraction form
    14,074,521.60/21,086,899.20 = 12,481,996.80/x
  3. Step 3: Cross multiply
    14,074,521.60x = 21,086,899.20 × 12,481,996.80
  4. Step 4: Simplify right side
    14,074,521.60x = 263,206,608,336,322.56
  5. Step 5: Solve for x
    x = 263,206,608,336,322.56/14,074,521.60
  6. Step 6: Final answer
    x = 18,700,927.52

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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.