Home / 20,589,524.67-28,413,597.99-11,170,315.16

Finding the Fourth Proportional to 20,589,524.67, 28,413,597.99 and 11,170,315.16

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Solution

The fourth proportional to 20,589,524.67, 28,413,597.99 and 11,170,315.16 is: 15,415,064.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,589,524.67 : 28,413,597.99 = 11,170,315.16 : x
  2. Step 2: Convert to fraction form
    20,589,524.67/28,413,597.99 = 11,170,315.16/x
  3. Step 3: Cross multiply
    20,589,524.67x = 28,413,597.99 × 11,170,315.16
  4. Step 4: Simplify right side
    20,589,524.67x = 317,388,844,377,842.50
  5. Step 5: Solve for x
    x = 317,388,844,377,842.50/20,589,524.67
  6. Step 6: Final answer
    x = 15,415,064.19

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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.