Home / 11,550,980.76-15,940,479.42-6,394,428.42

Finding the Fourth Proportional to 11,550,980.76, 15,940,479.42 and 6,394,428.42

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Solution

The fourth proportional to 11,550,980.76, 15,940,479.42 and 6,394,428.42 is: 8,824,380.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,550,980.76 : 15,940,479.42 = 6,394,428.42 : x
  2. Step 2: Convert to fraction form
    11,550,980.76/15,940,479.42 = 6,394,428.42/x
  3. Step 3: Cross multiply
    11,550,980.76x = 15,940,479.42 × 6,394,428.42
  4. Step 4: Simplify right side
    11,550,980.76x = 101,930,254,631,673.11
  5. Step 5: Solve for x
    x = 101,930,254,631,673.11/11,550,980.76
  6. Step 6: Final answer
    x = 8,824,380.96

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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.