Home / 12,462,311.40-18,693,467.10-5,743,847.40

Finding the Fourth Proportional to 12,462,311.40, 18,693,467.10 and 5,743,847.40

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Solution

The fourth proportional to 12,462,311.40, 18,693,467.10 and 5,743,847.40 is: 8,615,771.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,462,311.40 : 18,693,467.10 = 5,743,847.40 : x
  2. Step 2: Convert to fraction form
    12,462,311.40/18,693,467.10 = 5,743,847.40/x
  3. Step 3: Cross multiply
    12,462,311.40x = 18,693,467.10 × 5,743,847.40
  4. Step 4: Simplify right side
    12,462,311.40x = 107,372,422,399,320.56
  5. Step 5: Solve for x
    x = 107,372,422,399,320.56/12,462,311.40
  6. Step 6: Final answer
    x = 8,615,771.10

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Double scale
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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.