Home / 18,776,272.56-25,910,585.72-10,627,335.60

Finding the Fourth Proportional to 18,776,272.56, 25,910,585.72 and 10,627,335.60

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Solution

The fourth proportional to 18,776,272.56, 25,910,585.72 and 10,627,335.60 is: 14,665,343.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,776,272.56 : 25,910,585.72 = 10,627,335.60 : x
  2. Step 2: Convert to fraction form
    18,776,272.56/25,910,585.72 = 10,627,335.60/x
  3. Step 3: Cross multiply
    18,776,272.56x = 25,910,585.72 × 10,627,335.60
  4. Step 4: Simplify right side
    18,776,272.56x = 275,360,490,039,007.62
  5. Step 5: Solve for x
    x = 275,360,490,039,007.62/18,776,272.56
  6. Step 6: Final answer
    x = 14,665,343.68

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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.