Home / 8,412,921.57-12,621,505.57-2,347,648.25

Finding the Fourth Proportional to 8,412,921.57, 12,621,505.57 and 2,347,648.25

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Solution

The fourth proportional to 8,412,921.57, 12,621,505.57 and 2,347,648.25 is: 3,522,064.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,412,921.57 : 12,621,505.57 = 2,347,648.25 : x
  2. Step 2: Convert to fraction form
    8,412,921.57/12,621,505.57 = 2,347,648.25/x
  3. Step 3: Cross multiply
    8,412,921.57x = 12,621,505.57 × 2,347,648.25
  4. Step 4: Simplify right side
    8,412,921.57x = 29,630,855,489,460.40
  5. Step 5: Solve for x
    x = 29,630,855,489,460.40/8,412,921.57
  6. Step 6: Final answer
    x = 3,522,064.87

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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.