Home / 13,959,934.40-20,956,960.20-7,898,882.60

Finding the Fourth Proportional to 13,959,934.40, 20,956,960.20 and 7,898,882.60

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Solution

The fourth proportional to 13,959,934.40, 20,956,960.20 and 7,898,882.60 is: 11,857,976.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,959,934.40 : 20,956,960.20 = 7,898,882.60 : x
  2. Step 2: Convert to fraction form
    13,959,934.40/20,956,960.20 = 7,898,882.60/x
  3. Step 3: Cross multiply
    13,959,934.40x = 20,956,960.20 × 7,898,882.60
  4. Step 4: Simplify right side
    13,959,934.40x = 165,536,568,272,672.50
  5. Step 5: Solve for x
    x = 165,536,568,272,672.50/13,959,934.40
  6. Step 6: Final answer
    x = 11,857,976.09

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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.