Home / 26,241,012.80-39,361,519.20-12,085,236.80

Finding the Fourth Proportional to 26,241,012.80, 39,361,519.20 and 12,085,236.80

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Solution

The fourth proportional to 26,241,012.80, 39,361,519.20 and 12,085,236.80 is: 18,127,855.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,241,012.80 : 39,361,519.20 = 12,085,236.80 : x
  2. Step 2: Convert to fraction form
    26,241,012.80/39,361,519.20 = 12,085,236.80/x
  3. Step 3: Cross multiply
    26,241,012.80x = 39,361,519.20 × 12,085,236.80
  4. Step 4: Simplify right side
    26,241,012.80x = 475,693,280,339,746.62
  5. Step 5: Solve for x
    x = 475,693,280,339,746.62/26,241,012.80
  6. Step 6: Final answer
    x = 18,127,855.20

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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.