Home / 12,269,429.70-18,404,144.55-5,094,976.20

Finding the Fourth Proportional to 12,269,429.70, 18,404,144.55 and 5,094,976.20

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Solution

The fourth proportional to 12,269,429.70, 18,404,144.55 and 5,094,976.20 is: 7,642,464.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,269,429.70 : 18,404,144.55 = 5,094,976.20 : x
  2. Step 2: Convert to fraction form
    12,269,429.70/18,404,144.55 = 5,094,976.20/x
  3. Step 3: Cross multiply
    12,269,429.70x = 18,404,144.55 × 5,094,976.20
  4. Step 4: Simplify right side
    12,269,429.70x = 93,768,678,463,609.72
  5. Step 5: Solve for x
    x = 93,768,678,463,609.72/12,269,429.70
  6. Step 6: Final answer
    x = 7,642,464.30

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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.