Home / 20,598,031.20-30,897,046.80-11,976,877.20

Finding the Fourth Proportional to 20,598,031.20, 30,897,046.80 and 11,976,877.20

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Solution

The fourth proportional to 20,598,031.20, 30,897,046.80 and 11,976,877.20 is: 17,965,315.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,598,031.20 : 30,897,046.80 = 11,976,877.20 : x
  2. Step 2: Convert to fraction form
    20,598,031.20/30,897,046.80 = 11,976,877.20/x
  3. Step 3: Cross multiply
    20,598,031.20x = 30,897,046.80 × 11,976,877.20
  4. Step 4: Simplify right side
    20,598,031.20x = 370,050,135,366,252.94
  5. Step 5: Solve for x
    x = 370,050,135,366,252.94/20,598,031.20
  6. Step 6: Final answer
    x = 17,965,315.80

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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.