Home / 14,431,140.88-19,914,930.60-8,319,515.92

Finding the Fourth Proportional to 14,431,140.88, 19,914,930.60 and 8,319,515.92

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Solution

The fourth proportional to 14,431,140.88, 19,914,930.60 and 8,319,515.92 is: 11,480,906.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,431,140.88 : 19,914,930.60 = 8,319,515.92 : x
  2. Step 2: Convert to fraction form
    14,431,140.88/19,914,930.60 = 8,319,515.92/x
  3. Step 3: Cross multiply
    14,431,140.88x = 19,914,930.60 × 8,319,515.92
  4. Step 4: Simplify right side
    14,431,140.88x = 165,682,582,172,395.16
  5. Step 5: Solve for x
    x = 165,682,582,172,395.16/14,431,140.88
  6. Step 6: Final answer
    x = 11,480,906.71

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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.