Home / 20,167,386.20-30,251,079.30-6,702,464.60

Finding the Fourth Proportional to 20,167,386.20, 30,251,079.30 and 6,702,464.60

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Solution

The fourth proportional to 20,167,386.20, 30,251,079.30 and 6,702,464.60 is: 10,053,696.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,167,386.20 : 30,251,079.30 = 6,702,464.60 : x
  2. Step 2: Convert to fraction form
    20,167,386.20/30,251,079.30 = 6,702,464.60/x
  3. Step 3: Cross multiply
    20,167,386.20x = 30,251,079.30 × 6,702,464.60
  4. Step 4: Simplify right side
    20,167,386.20x = 202,756,788,120,042.78
  5. Step 5: Solve for x
    x = 202,756,788,120,042.78/20,167,386.20
  6. Step 6: Final answer
    x = 10,053,696.90

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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.