Home / 28,517,375.57-39,353,987.30-15,464,630.57

Finding the Fourth Proportional to 28,517,375.57, 39,353,987.30 and 15,464,630.57

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Solution

The fourth proportional to 28,517,375.57, 39,353,987.30 and 15,464,630.57 is: 21,341,195.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,517,375.57 : 39,353,987.30 = 15,464,630.57 : x
  2. Step 2: Convert to fraction form
    28,517,375.57/39,353,987.30 = 15,464,630.57/x
  3. Step 3: Cross multiply
    28,517,375.57x = 39,353,987.30 × 15,464,630.57
  4. Step 4: Simplify right side
    28,517,375.57x = 608,594,874,776,878.62
  5. Step 5: Solve for x
    x = 608,594,874,776,878.62/28,517,375.57
  6. Step 6: Final answer
    x = 21,341,195.07

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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.