Home / 20,464,517.77-28,240,861.31-11,296,963.69

Finding the Fourth Proportional to 20,464,517.77, 28,240,861.31 and 11,296,963.69

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Solution

The fourth proportional to 20,464,517.77, 28,240,861.31 and 11,296,963.69 is: 15,589,714.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,464,517.77 : 28,240,861.31 = 11,296,963.69 : x
  2. Step 2: Convert to fraction form
    20,464,517.77/28,240,861.31 = 11,296,963.69/x
  3. Step 3: Cross multiply
    20,464,517.77x = 28,240,861.31 × 11,296,963.69
  4. Step 4: Simplify right side
    20,464,517.77x = 319,035,984,708,672.50
  5. Step 5: Solve for x
    x = 319,035,984,708,672.50/20,464,517.77
  6. Step 6: Final answer
    x = 15,589,714.27

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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.