Home / 15,046,540.08-20,770,581.22-10,158,382.86

Finding the Fourth Proportional to 15,046,540.08, 20,770,581.22 and 10,158,382.86

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Solution

The fourth proportional to 15,046,540.08, 20,770,581.22 and 10,158,382.86 is: 14,022,859.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,046,540.08 : 20,770,581.22 = 10,158,382.86 : x
  2. Step 2: Convert to fraction form
    15,046,540.08/20,770,581.22 = 10,158,382.86/x
  3. Step 3: Cross multiply
    15,046,540.08x = 20,770,581.22 × 10,158,382.86
  4. Step 4: Simplify right side
    15,046,540.08x = 210,995,516,257,485.88
  5. Step 5: Solve for x
    x = 210,995,516,257,485.88/15,046,540.08
  6. Step 6: Final answer
    x = 14,022,859.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.