Home / 11,197,687.14-15,449,112.78-9,129,146.52

Finding the Fourth Proportional to 11,197,687.14, 15,449,112.78 and 9,129,146.52

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Solution

The fourth proportional to 11,197,687.14, 15,449,112.78 and 9,129,146.52 is: 12,595,209.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,197,687.14 : 15,449,112.78 = 9,129,146.52 : x
  2. Step 2: Convert to fraction form
    11,197,687.14/15,449,112.78 = 9,129,146.52/x
  3. Step 3: Cross multiply
    11,197,687.14x = 15,449,112.78 × 9,129,146.52
  4. Step 4: Simplify right side
    11,197,687.14x = 141,037,214,172,624.50
  5. Step 5: Solve for x
    x = 141,037,214,172,624.50/11,197,687.14
  6. Step 6: Final answer
    x = 12,595,209.39

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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.