Home / 36,038,385.76-49,733,775.40-20,568,160.08

Finding the Fourth Proportional to 36,038,385.76, 49,733,775.40 and 20,568,160.08

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Solution

The fourth proportional to 36,038,385.76, 49,733,775.40 and 20,568,160.08 is: 28,384,519.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,038,385.76 : 49,733,775.40 = 20,568,160.08 : x
  2. Step 2: Convert to fraction form
    36,038,385.76/49,733,775.40 = 20,568,160.08/x
  3. Step 3: Cross multiply
    36,038,385.76x = 49,733,775.40 × 20,568,160.08
  4. Step 4: Simplify right side
    36,038,385.76x = 1,022,932,253,809,965.88
  5. Step 5: Solve for x
    x = 1,022,932,253,809,965.88/36,038,385.76
  6. Step 6: Final answer
    x = 28,384,519.24

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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.