Home / 14,996,043.20-20,694,502.40-8,120,524.80

Finding the Fourth Proportional to 14,996,043.20, 20,694,502.40 and 8,120,524.80

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Solution

The fourth proportional to 14,996,043.20, 20,694,502.40 and 8,120,524.80 is: 11,206,304.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,996,043.20 : 20,694,502.40 = 8,120,524.80 : x
  2. Step 2: Convert to fraction form
    14,996,043.20/20,694,502.40 = 8,120,524.80/x
  3. Step 3: Cross multiply
    14,996,043.20x = 20,694,502.40 × 8,120,524.80
  4. Step 4: Simplify right side
    14,996,043.20x = 168,050,219,962,859.50
  5. Step 5: Solve for x
    x = 168,050,219,962,859.50/14,996,043.20
  6. Step 6: Final answer
    x = 11,206,304.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.