Home / 12,821,974.26-17,694,353.10-6,941,670.40

Finding the Fourth Proportional to 12,821,974.26, 17,694,353.10 and 6,941,670.40

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Solution

The fourth proportional to 12,821,974.26, 17,694,353.10 and 6,941,670.40 is: 9,579,520.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,821,974.26 : 17,694,353.10 = 6,941,670.40 : x
  2. Step 2: Convert to fraction form
    12,821,974.26/17,694,353.10 = 6,941,670.40/x
  3. Step 3: Cross multiply
    12,821,974.26x = 17,694,353.10 × 6,941,670.40
  4. Step 4: Simplify right side
    12,821,974.26x = 122,828,367,161,418.25
  5. Step 5: Solve for x
    x = 122,828,367,161,418.25/12,821,974.26
  6. Step 6: Final answer
    x = 9,579,520.65

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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.