Home / 18,531,115.75-25,574,471.85-10,273,769.20

Finding the Fourth Proportional to 18,531,115.75, 25,574,471.85 and 10,273,769.20

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Solution

The fourth proportional to 18,531,115.75, 25,574,471.85 and 10,273,769.20 is: 14,178,650.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,531,115.75 : 25,574,471.85 = 10,273,769.20 : x
  2. Step 2: Convert to fraction form
    18,531,115.75/25,574,471.85 = 10,273,769.20/x
  3. Step 3: Cross multiply
    18,531,115.75x = 25,574,471.85 × 10,273,769.20
  4. Step 4: Simplify right side
    18,531,115.75x = 262,746,221,198,797.03
  5. Step 5: Solve for x
    x = 262,746,221,198,797.03/18,531,115.75
  6. Step 6: Final answer
    x = 14,178,650.91

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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.