Home / 15,115,508.40-22,696,882.20-8,738,216.40

Finding the Fourth Proportional to 15,115,508.40, 22,696,882.20 and 8,738,216.40

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Solution

The fourth proportional to 15,115,508.40, 22,696,882.20 and 8,738,216.40 is: 13,120,979.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,115,508.40 : 22,696,882.20 = 8,738,216.40 : x
  2. Step 2: Convert to fraction form
    15,115,508.40/22,696,882.20 = 8,738,216.40/x
  3. Step 3: Cross multiply
    15,115,508.40x = 22,696,882.20 × 8,738,216.40
  4. Step 4: Simplify right side
    15,115,508.40x = 198,330,268,268,908.09
  5. Step 5: Solve for x
    x = 198,330,268,268,908.09/15,115,508.40
  6. Step 6: Final answer
    x = 13,120,979.00

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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.