Home / 16,856,919.52-23,262,610.20-9,121,960.96

Finding the Fourth Proportional to 16,856,919.52, 23,262,610.20 and 9,121,960.96

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Solution

The fourth proportional to 16,856,919.52, 23,262,610.20 and 9,121,960.96 is: 12,588,339.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,856,919.52 : 23,262,610.20 = 9,121,960.96 : x
  2. Step 2: Convert to fraction form
    16,856,919.52/23,262,610.20 = 9,121,960.96/x
  3. Step 3: Cross multiply
    16,856,919.52x = 23,262,610.20 × 9,121,960.96
  4. Step 4: Simplify right side
    16,856,919.52x = 212,200,622,072,097.81
  5. Step 5: Solve for x
    x = 212,200,622,072,097.81/16,856,919.52
  6. Step 6: Final answer
    x = 12,588,339.28

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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.