Home / 18,188,840.10-27,283,260.15-10,996,671.90

Finding the Fourth Proportional to 18,188,840.10, 27,283,260.15 and 10,996,671.90

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Solution

The fourth proportional to 18,188,840.10, 27,283,260.15 and 10,996,671.90 is: 16,495,007.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,188,840.10 : 27,283,260.15 = 10,996,671.90 : x
  2. Step 2: Convert to fraction form
    18,188,840.10/27,283,260.15 = 10,996,671.90/x
  3. Step 3: Cross multiply
    18,188,840.10x = 27,283,260.15 × 10,996,671.90
  4. Step 4: Simplify right side
    18,188,840.10x = 300,025,060,231,894.75
  5. Step 5: Solve for x
    x = 300,025,060,231,894.75/18,188,840.10
  6. Step 6: Final answer
    x = 16,495,007.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.