Home / 15,164,081.16-22,766,300.64-7,980,659.88

Finding the Fourth Proportional to 15,164,081.16, 22,766,300.64 and 7,980,659.88

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Solution

The fourth proportional to 15,164,081.16, 22,766,300.64 and 7,980,659.88 is: 11,981,609.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,164,081.16 : 22,766,300.64 = 7,980,659.88 : x
  2. Step 2: Convert to fraction form
    15,164,081.16/22,766,300.64 = 7,980,659.88/x
  3. Step 3: Cross multiply
    15,164,081.16x = 22,766,300.64 × 7,980,659.88
  4. Step 4: Simplify right side
    15,164,081.16x = 181,690,102,133,666.31
  5. Step 5: Solve for x
    x = 181,690,102,133,666.31/15,164,081.16
  6. Step 6: Final answer
    x = 11,981,609.71

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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.