Home / 13,146,015.20-19,685,845.20-10,491,807.20

Finding the Fourth Proportional to 13,146,015.20, 19,685,845.20 and 10,491,807.20

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Solution

The fourth proportional to 13,146,015.20, 19,685,845.20 and 10,491,807.20 is: 15,711,231.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,146,015.20 : 19,685,845.20 = 10,491,807.20 : x
  2. Step 2: Convert to fraction form
    13,146,015.20/19,685,845.20 = 10,491,807.20/x
  3. Step 3: Cross multiply
    13,146,015.20x = 19,685,845.20 × 10,491,807.20
  4. Step 4: Simplify right side
    13,146,015.20x = 206,540,092,407,445.41
  5. Step 5: Solve for x
    x = 206,540,092,407,445.41/13,146,015.20
  6. Step 6: Final answer
    x = 15,711,231.83

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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.