Home / 13,639,685.32-20,441,813.13-5,543,239.09

Finding the Fourth Proportional to 13,639,685.32, 20,441,813.13 and 5,543,239.09

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Solution

The fourth proportional to 13,639,685.32, 20,441,813.13 and 5,543,239.09 is: 8,307,659.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,639,685.32 : 20,441,813.13 = 5,543,239.09 : x
  2. Step 2: Convert to fraction form
    13,639,685.32/20,441,813.13 = 5,543,239.09/x
  3. Step 3: Cross multiply
    13,639,685.32x = 20,441,813.13 × 5,543,239.09
  4. Step 4: Simplify right side
    13,639,685.32x = 113,313,857,660,984.33
  5. Step 5: Solve for x
    x = 113,313,857,660,984.33/13,639,685.32
  6. Step 6: Final answer
    x = 8,307,659.23

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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.