Home / 11,231,639.70-15,387,272.78-10,811,642.16

Finding the Fourth Proportional to 11,231,639.70, 15,387,272.78 and 10,811,642.16

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Solution

The fourth proportional to 11,231,639.70, 15,387,272.78 and 10,811,642.16 is: 14,811,878.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,231,639.70 : 15,387,272.78 = 10,811,642.16 : x
  2. Step 2: Convert to fraction form
    11,231,639.70/15,387,272.78 = 10,811,642.16/x
  3. Step 3: Cross multiply
    11,231,639.70x = 15,387,272.78 × 10,811,642.16
  4. Step 4: Simplify right side
    11,231,639.70x = 166,361,687,115,668.41
  5. Step 5: Solve for x
    x = 166,361,687,115,668.41/11,231,639.70
  6. Step 6: Final answer
    x = 14,811,878.90

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.