Home / 20,491,475.10-30,772,642.05-10,925,537.10

Finding the Fourth Proportional to 20,491,475.10, 30,772,642.05 and 10,925,537.10

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Solution

The fourth proportional to 20,491,475.10, 30,772,642.05 and 10,925,537.10 is: 16,407,195.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,491,475.10 : 30,772,642.05 = 10,925,537.10 : x
  2. Step 2: Convert to fraction form
    20,491,475.10/30,772,642.05 = 10,925,537.10/x
  3. Step 3: Cross multiply
    20,491,475.10x = 30,772,642.05 × 10,925,537.10
  4. Step 4: Simplify right side
    20,491,475.10x = 336,207,642,382,295.06
  5. Step 5: Solve for x
    x = 336,207,642,382,295.06/20,491,475.10
  6. Step 6: Final answer
    x = 16,407,195.71

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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.