Home / 12,312,003.80-18,468,005.70-11,304,234.20

Finding the Fourth Proportional to 12,312,003.80, 18,468,005.70 and 11,304,234.20

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Solution

The fourth proportional to 12,312,003.80, 18,468,005.70 and 11,304,234.20 is: 16,956,351.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,312,003.80 : 18,468,005.70 = 11,304,234.20 : x
  2. Step 2: Convert to fraction form
    12,312,003.80/18,468,005.70 = 11,304,234.20/x
  3. Step 3: Cross multiply
    12,312,003.80x = 18,468,005.70 × 11,304,234.20
  4. Step 4: Simplify right side
    12,312,003.80x = 208,766,661,639,734.91
  5. Step 5: Solve for x
    x = 208,766,661,639,734.91/12,312,003.80
  6. Step 6: Final answer
    x = 16,956,351.30

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Similar ratio
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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.