Home / 20,156,677.21-30,223,798.94-11,962,649.17

Finding the Fourth Proportional to 20,156,677.21, 30,223,798.94 and 11,962,649.17

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Solution

The fourth proportional to 20,156,677.21, 30,223,798.94 and 11,962,649.17 is: 17,937,316.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,156,677.21 : 30,223,798.94 = 11,962,649.17 : x
  2. Step 2: Convert to fraction form
    20,156,677.21/30,223,798.94 = 11,962,649.17/x
  3. Step 3: Cross multiply
    20,156,677.21x = 30,223,798.94 × 11,962,649.17
  4. Step 4: Simplify right side
    20,156,677.21x = 361,556,703,330,600.88
  5. Step 5: Solve for x
    x = 361,556,703,330,600.88/20,156,677.21
  6. Step 6: Final answer
    x = 17,937,316.73

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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.