Home / 38,310,965.26-52,869,118.09-20,907,310.52

Finding the Fourth Proportional to 38,310,965.26, 52,869,118.09 and 20,907,310.52

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Solution

The fourth proportional to 38,310,965.26, 52,869,118.09 and 20,907,310.52 is: 28,852,080.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,310,965.26 : 52,869,118.09 = 20,907,310.52 : x
  2. Step 2: Convert to fraction form
    38,310,965.26/52,869,118.09 = 20,907,310.52/x
  3. Step 3: Cross multiply
    38,310,965.26x = 52,869,118.09 × 20,907,310.52
  4. Step 4: Simplify right side
    38,310,965.26x = 1,105,351,068,826,179.38
  5. Step 5: Solve for x
    x = 1,105,351,068,826,179.38/38,310,965.26
  6. Step 6: Final answer
    x = 28,852,080.89

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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.