Home / 8,085,238.60-12,128,052.30-2,405,648.20

Finding the Fourth Proportional to 8,085,238.60, 12,128,052.30 and 2,405,648.20

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Solution

The fourth proportional to 8,085,238.60, 12,128,052.30 and 2,405,648.20 is: 3,608,530.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085,238.60 : 12,128,052.30 = 2,405,648.20 : x
  2. Step 2: Convert to fraction form
    8,085,238.60/12,128,052.30 = 2,405,648.20/x
  3. Step 3: Cross multiply
    8,085,238.60x = 12,128,052.30 × 2,405,648.20
  4. Step 4: Simplify right side
    8,085,238.60x = 29,175,827,185,000.86
  5. Step 5: Solve for x
    x = 29,175,827,185,000.86/8,085,238.60
  6. Step 6: Final answer
    x = 3,608,530.14

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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.