Home / 11,471,645.78-17,207,392.12-4,648,118.30

Finding the Fourth Proportional to 11,471,645.78, 17,207,392.12 and 4,648,118.30

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Solution

The fourth proportional to 11,471,645.78, 17,207,392.12 and 4,648,118.30 is: 6,972,146.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,471,645.78 : 17,207,392.12 = 4,648,118.30 : x
  2. Step 2: Convert to fraction form
    11,471,645.78/17,207,392.12 = 4,648,118.30/x
  3. Step 3: Cross multiply
    11,471,645.78x = 17,207,392.12 × 4,648,118.30
  4. Step 4: Simplify right side
    11,471,645.78x = 79,981,994,201,263.94
  5. Step 5: Solve for x
    x = 79,981,994,201,263.94/11,471,645.78
  6. Step 6: Final answer
    x = 6,972,146.43

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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.