Home / 26,296,889.20-39,418,506.60-17,778,086.80

Finding the Fourth Proportional to 26,296,889.20, 39,418,506.60 and 17,778,086.80

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Solution

The fourth proportional to 26,296,889.20, 39,418,506.60 and 17,778,086.80 is: 26,648,993.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,296,889.20 : 39,418,506.60 = 17,778,086.80 : x
  2. Step 2: Convert to fraction form
    26,296,889.20/39,418,506.60 = 17,778,086.80/x
  3. Step 3: Cross multiply
    26,296,889.20x = 39,418,506.60 × 17,778,086.80
  4. Step 4: Simplify right side
    26,296,889.20x = 700,785,631,861,172.88
  5. Step 5: Solve for x
    x = 700,785,631,861,172.88/26,296,889.20
  6. Step 6: Final answer
    x = 26,648,993.60

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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.