Home / 20,824,266.80-31,241,065.80-8,043,633.20

Finding the Fourth Proportional to 20,824,266.80, 31,241,065.80 and 8,043,633.20

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Solution

The fourth proportional to 20,824,266.80, 31,241,065.80 and 8,043,633.20 is: 12,067,251.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,824,266.80 : 31,241,065.80 = 8,043,633.20 : x
  2. Step 2: Convert to fraction form
    20,824,266.80/31,241,065.80 = 8,043,633.20/x
  3. Step 3: Cross multiply
    20,824,266.80x = 31,241,065.80 × 8,043,633.20
  4. Step 4: Simplify right side
    20,824,266.80x = 251,291,674,072,264.56
  5. Step 5: Solve for x
    x = 251,291,674,072,264.56/20,824,266.80
  6. Step 6: Final answer
    x = 12,067,251.95

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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.