Home / 18,468,003.70-27,702,005.55-11,193,166.90

Finding the Fourth Proportional to 18,468,003.70, 27,702,005.55 and 11,193,166.90

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Solution

The fourth proportional to 18,468,003.70, 27,702,005.55 and 11,193,166.90 is: 16,789,750.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,468,003.70 : 27,702,005.55 = 11,193,166.90 : x
  2. Step 2: Convert to fraction form
    18,468,003.70/27,702,005.55 = 11,193,166.90/x
  3. Step 3: Cross multiply
    18,468,003.70x = 27,702,005.55 × 11,193,166.90
  4. Step 4: Simplify right side
    18,468,003.70x = 310,073,171,585,876.31
  5. Step 5: Solve for x
    x = 310,073,171,585,876.31/18,468,003.70
  6. Step 6: Final answer
    x = 16,789,750.35

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1.5x scale

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.