Home / 26,877,608.80-40,284,920.40-20,138,149.60

Finding the Fourth Proportional to 26,877,608.80, 40,284,920.40 and 20,138,149.60

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Solution

The fourth proportional to 26,877,608.80, 40,284,920.40 and 20,138,149.60 is: 30,183,628.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,877,608.80 : 40,284,920.40 = 20,138,149.60 : x
  2. Step 2: Convert to fraction form
    26,877,608.80/40,284,920.40 = 20,138,149.60/x
  3. Step 3: Cross multiply
    26,877,608.80x = 40,284,920.40 × 20,138,149.60
  4. Step 4: Simplify right side
    26,877,608.80x = 811,263,753,639,291.88
  5. Step 5: Solve for x
    x = 811,263,753,639,291.88/26,877,608.80
  6. Step 6: Final answer
    x = 30,183,628.30

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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.