Home / 20,733,608.97-28,618,071.21-12,034,584.18

Finding the Fourth Proportional to 20,733,608.97, 28,618,071.21 and 12,034,584.18

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Solution

The fourth proportional to 20,733,608.97, 28,618,071.21 and 12,034,584.18 is: 16,611,029.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733,608.97 : 28,618,071.21 = 12,034,584.18 : x
  2. Step 2: Convert to fraction form
    20,733,608.97/28,618,071.21 = 12,034,584.18/x
  3. Step 3: Cross multiply
    20,733,608.97x = 28,618,071.21 × 12,034,584.18
  4. Step 4: Simplify right side
    20,733,608.97x = 344,406,587,045,979.44
  5. Step 5: Solve for x
    x = 344,406,587,045,979.44/20,733,608.97
  6. Step 6: Final answer
    x = 16,611,029.35

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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.