Home / 20,128,217.27-27,776,206.46-10,960,658.87

Finding the Fourth Proportional to 20,128,217.27, 27,776,206.46 and 10,960,658.87

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Solution

The fourth proportional to 20,128,217.27, 27,776,206.46 and 10,960,658.87 is: 15,125,309.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,128,217.27 : 27,776,206.46 = 10,960,658.87 : x
  2. Step 2: Convert to fraction form
    20,128,217.27/27,776,206.46 = 10,960,658.87/x
  3. Step 3: Cross multiply
    20,128,217.27x = 27,776,206.46 × 10,960,658.87
  4. Step 4: Simplify right side
    20,128,217.27x = 304,445,523,599,270.88
  5. Step 5: Solve for x
    x = 304,445,523,599,270.88/20,128,217.27
  6. Step 6: Final answer
    x = 15,125,309.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.