Home / 20,491,217.60-30,772,255.80-10,925,279.60

Finding the Fourth Proportional to 20,491,217.60, 30,772,255.80 and 10,925,279.60

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Solution

The fourth proportional to 20,491,217.60, 30,772,255.80 and 10,925,279.60 is: 16,406,809.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,491,217.60 : 30,772,255.80 = 10,925,279.60 : x
  2. Step 2: Convert to fraction form
    20,491,217.60/30,772,255.80 = 10,925,279.60/x
  3. Step 3: Cross multiply
    20,491,217.60x = 30,772,255.80 × 10,925,279.60
  4. Step 4: Simplify right side
    20,491,217.60x = 336,195,498,537,721.69
  5. Step 5: Solve for x
    x = 336,195,498,537,721.69/20,491,217.60
  6. Step 6: Final answer
    x = 16,406,809.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.