Home / 20,736,098.10-31,104,147.15-10,639,739.70

Finding the Fourth Proportional to 20,736,098.10, 31,104,147.15 and 10,639,739.70

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Solution

The fourth proportional to 20,736,098.10, 31,104,147.15 and 10,639,739.70 is: 15,959,609.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,098.10 : 31,104,147.15 = 10,639,739.70 : x
  2. Step 2: Convert to fraction form
    20,736,098.10/31,104,147.15 = 10,639,739.70/x
  3. Step 3: Cross multiply
    20,736,098.10x = 31,104,147.15 × 10,639,739.70
  4. Step 4: Simplify right side
    20,736,098.10x = 330,940,029,266,496.81
  5. Step 5: Solve for x
    x = 330,940,029,266,496.81/20,736,098.10
  6. Step 6: Final answer
    x = 15,959,609.55

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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.