Home / 20,491,517.10-30,772,705.05-10,925,579.10

Finding the Fourth Proportional to 20,491,517.10, 30,772,705.05 and 10,925,579.10

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Solution

The fourth proportional to 20,491,517.10, 30,772,705.05 and 10,925,579.10 is: 16,407,258.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,491,517.10 : 30,772,705.05 = 10,925,579.10 : x
  2. Step 2: Convert to fraction form
    20,491,517.10/30,772,705.05 = 10,925,579.10/x
  3. Step 3: Cross multiply
    20,491,517.10x = 30,772,705.05 × 10,925,579.10
  4. Step 4: Simplify right side
    20,491,517.10x = 336,209,623,144,744.44
  5. Step 5: Solve for x
    x = 336,209,623,144,744.44/20,491,517.10
  6. Step 6: Final answer
    x = 16,407,258.75

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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.