Home / 18,152,884.30-27,192,001.65-12,479,514.70

Finding the Fourth Proportional to 18,152,884.30, 27,192,001.65 and 12,479,514.70

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Solution

The fourth proportional to 18,152,884.30, 27,192,001.65 and 12,479,514.70 is: 18,693,612.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,152,884.30 : 27,192,001.65 = 12,479,514.70 : x
  2. Step 2: Convert to fraction form
    18,152,884.30/27,192,001.65 = 12,479,514.70/x
  3. Step 3: Cross multiply
    18,152,884.30x = 27,192,001.65 × 12,479,514.70
  4. Step 4: Simplify right side
    18,152,884.30x = 339,342,984,313,599.19
  5. Step 5: Solve for x
    x = 339,342,984,313,599.19/18,152,884.30
  6. Step 6: Final answer
    x = 18,693,612.47

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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.