Home / 26,621,231.78-39,943,247.38-8,426,908.10

Finding the Fourth Proportional to 26,621,231.78, 39,943,247.38 and 8,426,908.10

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Solution

The fourth proportional to 26,621,231.78, 39,943,247.38 and 8,426,908.10 is: 12,643,970.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,621,231.78 : 39,943,247.38 = 8,426,908.10 : x
  2. Step 2: Convert to fraction form
    26,621,231.78/39,943,247.38 = 8,426,908.10/x
  3. Step 3: Cross multiply
    26,621,231.78x = 39,943,247.38 × 8,426,908.10
  4. Step 4: Simplify right side
    26,621,231.78x = 336,598,074,965,616.56
  5. Step 5: Solve for x
    x = 336,598,074,965,616.56/26,621,231.78
  6. Step 6: Final answer
    x = 12,643,970.71

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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.