Home / 20,348,021.10-30,522,031.65-13,891,012.95

Finding the Fourth Proportional to 20,348,021.10, 30,522,031.65 and 13,891,012.95

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Solution

The fourth proportional to 20,348,021.10, 30,522,031.65 and 13,891,012.95 is: 20,836,519.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,348,021.10 : 30,522,031.65 = 13,891,012.95 : x
  2. Step 2: Convert to fraction form
    20,348,021.10/30,522,031.65 = 13,891,012.95/x
  3. Step 3: Cross multiply
    20,348,021.10x = 30,522,031.65 × 13,891,012.95
  4. Step 4: Simplify right side
    20,348,021.10x = 423,981,936,910,459.81
  5. Step 5: Solve for x
    x = 423,981,936,910,459.81/20,348,021.10
  6. Step 6: Final answer
    x = 20,836,519.43

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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.