Home / 12,482,732.40-18,711,196.20-6,790,930.80

Finding the Fourth Proportional to 12,482,732.40, 18,711,196.20 and 6,790,930.80

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Solution

The fourth proportional to 12,482,732.40, 18,711,196.20 and 6,790,930.80 is: 10,179,376.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482,732.40 : 18,711,196.20 = 6,790,930.80 : x
  2. Step 2: Convert to fraction form
    12,482,732.40/18,711,196.20 = 6,790,930.80/x
  3. Step 3: Cross multiply
    12,482,732.40x = 18,711,196.20 × 6,790,930.80
  4. Step 4: Simplify right side
    12,482,732.40x = 127,066,438,579,422.95
  5. Step 5: Solve for x
    x = 127,066,438,579,422.95/12,482,732.40
  6. Step 6: Final answer
    x = 10,179,376.96

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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.