Home / 18,134,999.70-27,202,499.55-12,395,436.90

Finding the Fourth Proportional to 18,134,999.70, 27,202,499.55 and 12,395,436.90

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Solution

The fourth proportional to 18,134,999.70, 27,202,499.55 and 12,395,436.90 is: 18,593,155.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,134,999.70 : 27,202,499.55 = 12,395,436.90 : x
  2. Step 2: Convert to fraction form
    18,134,999.70/27,202,499.55 = 12,395,436.90/x
  3. Step 3: Cross multiply
    18,134,999.70x = 27,202,499.55 × 12,395,436.90
  4. Step 4: Simplify right side
    18,134,999.70x = 337,186,866,694,303.44
  5. Step 5: Solve for x
    x = 337,186,866,694,303.44/18,134,999.70
  6. Step 6: Final answer
    x = 18,593,155.35

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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.