Home / 28,517,055.26-39,353,546.86-15,464,310.72

Finding the Fourth Proportional to 28,517,055.26, 39,353,546.86 and 15,464,310.72

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Solution

The fourth proportional to 28,517,055.26, 39,353,546.86 and 15,464,310.72 is: 21,340,754.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,517,055.26 : 39,353,546.86 = 15,464,310.72 : x
  2. Step 2: Convert to fraction form
    28,517,055.26/39,353,546.86 = 15,464,310.72/x
  3. Step 3: Cross multiply
    28,517,055.26x = 39,353,546.86 × 15,464,310.72
  4. Step 4: Simplify right side
    28,517,055.26x = 608,575,476,390,883.75
  5. Step 5: Solve for x
    x = 608,575,476,390,883.75/28,517,055.26
  6. Step 6: Final answer
    x = 21,340,754.54

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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.