Home / 10,173,255.12-15,257,515.32-3,786,515.28

Finding the Fourth Proportional to 10,173,255.12, 15,257,515.32 and 3,786,515.28

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Solution

The fourth proportional to 10,173,255.12, 15,257,515.32 and 3,786,515.28 is: 5,678,891.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,173,255.12 : 15,257,515.32 = 3,786,515.28 : x
  2. Step 2: Convert to fraction form
    10,173,255.12/15,257,515.32 = 3,786,515.28/x
  3. Step 3: Cross multiply
    10,173,255.12x = 15,257,515.32 × 3,786,515.28
  4. Step 4: Simplify right side
    10,173,255.12x = 57,772,814,894,014.09
  5. Step 5: Solve for x
    x = 57,772,814,894,014.09/10,173,255.12
  6. Step 6: Final answer
    x = 5,678,891.78

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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.