Home / 15,420,097.26-21,279,734.24-8,544,579.35

Finding the Fourth Proportional to 15,420,097.26, 21,279,734.24 and 8,544,579.35

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Solution

The fourth proportional to 15,420,097.26, 21,279,734.24 and 8,544,579.35 is: 11,791,519.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,420,097.26 : 21,279,734.24 = 8,544,579.35 : x
  2. Step 2: Convert to fraction form
    15,420,097.26/21,279,734.24 = 8,544,579.35/x
  3. Step 3: Cross multiply
    15,420,097.26x = 21,279,734.24 × 8,544,579.35
  4. Step 4: Simplify right side
    15,420,097.26x = 181,826,377,611,470.38
  5. Step 5: Solve for x
    x = 181,826,377,611,470.38/15,420,097.26
  6. Step 6: Final answer
    x = 11,791,519.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.