Home / 20,156,677.27-30,223,799.03-11,962,649.23

Finding the Fourth Proportional to 20,156,677.27, 30,223,799.03 and 11,962,649.23

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Solution

The fourth proportional to 20,156,677.27, 30,223,799.03 and 11,962,649.23 is: 17,937,316.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,156,677.27 : 30,223,799.03 = 11,962,649.23 : x
  2. Step 2: Convert to fraction form
    20,156,677.27/30,223,799.03 = 11,962,649.23/x
  3. Step 3: Cross multiply
    20,156,677.27x = 30,223,799.03 × 11,962,649.23
  4. Step 4: Simplify right side
    20,156,677.27x = 361,556,706,341,086.69
  5. Step 5: Solve for x
    x = 361,556,706,341,086.69/20,156,677.27
  6. Step 6: Final answer
    x = 17,937,316.82

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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.