Home / 20,491,457.10-30,772,615.05-10,925,519.10

Finding the Fourth Proportional to 20,491,457.10, 30,772,615.05 and 10,925,519.10

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Solution

The fourth proportional to 20,491,457.10, 30,772,615.05 and 10,925,519.10 is: 16,407,168.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,491,457.10 : 30,772,615.05 = 10,925,519.10 : x
  2. Step 2: Convert to fraction form
    20,491,457.10/30,772,615.05 = 10,925,519.10/x
  3. Step 3: Cross multiply
    20,491,457.10x = 30,772,615.05 × 10,925,519.10
  4. Step 4: Simplify right side
    20,491,457.10x = 336,206,793,485,722.44
  5. Step 5: Solve for x
    x = 336,206,793,485,722.44/20,491,457.10
  6. Step 6: Final answer
    x = 16,407,168.70

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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.