Home / 8,085,230.60-12,128,040.30-2,405,640.20

Finding the Fourth Proportional to 8,085,230.60, 12,128,040.30 and 2,405,640.20

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Solution

The fourth proportional to 8,085,230.60, 12,128,040.30 and 2,405,640.20 is: 3,608,518.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085,230.60 : 12,128,040.30 = 2,405,640.20 : x
  2. Step 2: Convert to fraction form
    8,085,230.60/12,128,040.30 = 2,405,640.20/x
  3. Step 3: Cross multiply
    8,085,230.60x = 12,128,040.30 × 2,405,640.20
  4. Step 4: Simplify right side
    8,085,230.60x = 29,175,701,292,900.06
  5. Step 5: Solve for x
    x = 29,175,701,292,900.06/8,085,230.60
  6. Step 6: Final answer
    x = 3,608,518.14

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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.