Home / 20,629,387.80-30,944,081.70-5,484,850.20

Finding the Fourth Proportional to 20,629,387.80, 30,944,081.70 and 5,484,850.20

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Solution

The fourth proportional to 20,629,387.80, 30,944,081.70 and 5,484,850.20 is: 8,227,275.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,629,387.80 : 30,944,081.70 = 5,484,850.20 : x
  2. Step 2: Convert to fraction form
    20,629,387.80/30,944,081.70 = 5,484,850.20/x
  3. Step 3: Cross multiply
    20,629,387.80x = 30,944,081.70 × 5,484,850.20
  4. Step 4: Simplify right side
    20,629,387.80x = 169,723,652,701,061.34
  5. Step 5: Solve for x
    x = 169,723,652,701,061.34/20,629,387.80
  6. Step 6: Final answer
    x = 8,227,275.30

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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.