Home / 26,186,665.50-36,137,609.46-15,179,799.69

Finding the Fourth Proportional to 26,186,665.50, 36,137,609.46 and 15,179,799.69

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Solution

The fourth proportional to 26,186,665.50, 36,137,609.46 and 15,179,799.69 is: 20,948,129.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,186,665.50 : 36,137,609.46 = 15,179,799.69 : x
  2. Step 2: Convert to fraction form
    26,186,665.50/36,137,609.46 = 15,179,799.69/x
  3. Step 3: Cross multiply
    26,186,665.50x = 36,137,609.46 × 15,179,799.69
  4. Step 4: Simplify right side
    26,186,665.50x = 548,561,672,878,249.06
  5. Step 5: Solve for x
    x = 548,561,672,878,249.06/26,186,665.50
  6. Step 6: Final answer
    x = 20,948,129.99

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.