Home / 14,252,134.40-21,378,201.60-12,482,662.40

Finding the Fourth Proportional to 14,252,134.40, 21,378,201.60 and 12,482,662.40

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Solution

The fourth proportional to 14,252,134.40, 21,378,201.60 and 12,482,662.40 is: 18,723,993.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,252,134.40 : 21,378,201.60 = 12,482,662.40 : x
  2. Step 2: Convert to fraction form
    14,252,134.40/21,378,201.60 = 12,482,662.40/x
  3. Step 3: Cross multiply
    14,252,134.40x = 21,378,201.60 × 12,482,662.40
  4. Step 4: Simplify right side
    14,252,134.40x = 266,856,873,291,939.88
  5. Step 5: Solve for x
    x = 266,856,873,291,939.88/14,252,134.40
  6. Step 6: Final answer
    x = 18,723,993.60

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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.