Home / 15,704,625.57-21,672,382.68-9,183,733.78

Finding the Fourth Proportional to 15,704,625.57, 21,672,382.68 and 9,183,733.78

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Solution

The fourth proportional to 15,704,625.57, 21,672,382.68 and 9,183,733.78 is: 12,673,552.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,704,625.57 : 21,672,382.68 = 9,183,733.78 : x
  2. Step 2: Convert to fraction form
    15,704,625.57/21,672,382.68 = 9,183,733.78/x
  3. Step 3: Cross multiply
    15,704,625.57x = 21,672,382.68 × 9,183,733.78
  4. Step 4: Simplify right side
    15,704,625.57x = 199,033,392,897,857.69
  5. Step 5: Solve for x
    x = 199,033,392,897,857.69/15,704,625.57
  6. Step 6: Final answer
    x = 12,673,552.26

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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.