Home / 12,254,999.70-18,382,499.55-3,279,551.70

Finding the Fourth Proportional to 12,254,999.70, 18,382,499.55 and 3,279,551.70

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Solution

The fourth proportional to 12,254,999.70, 18,382,499.55 and 3,279,551.70 is: 4,919,327.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,254,999.70 : 18,382,499.55 = 3,279,551.70 : x
  2. Step 2: Convert to fraction form
    12,254,999.70/18,382,499.55 = 3,279,551.70/x
  3. Step 3: Cross multiply
    12,254,999.70x = 18,382,499.55 × 3,279,551.70
  4. Step 4: Simplify right side
    12,254,999.70x = 60,286,357,649,451.74
  5. Step 5: Solve for x
    x = 60,286,357,649,451.74/12,254,999.70
  6. Step 6: Final answer
    x = 4,919,327.55

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Similar ratio
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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.