Home / 36,149,486.40-54,207,122.40-21,008,059.20

Finding the Fourth Proportional to 36,149,486.40, 54,207,122.40 and 21,008,059.20

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Solution

The fourth proportional to 36,149,486.40, 54,207,122.40 and 21,008,059.20 is: 31,502,147.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,149,486.40 : 54,207,122.40 = 21,008,059.20 : x
  2. Step 2: Convert to fraction form
    36,149,486.40/54,207,122.40 = 21,008,059.20/x
  3. Step 3: Cross multiply
    36,149,486.40x = 54,207,122.40 × 21,008,059.20
  4. Step 4: Simplify right side
    36,149,486.40x = 1,138,786,436,440,846
  5. Step 5: Solve for x
    x = 1,138,786,436,440,846/36,149,486.40
  6. Step 6: Final answer
    x = 31,502,147.05

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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.