Home / 20,320,559.16-28,040,907.42-11,619,098.52

Finding the Fourth Proportional to 20,320,559.16, 28,040,907.42 and 11,619,098.52

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Solution

The fourth proportional to 20,320,559.16, 28,040,907.42 and 11,619,098.52 is: 16,033,518.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,320,559.16 : 28,040,907.42 = 11,619,098.52 : x
  2. Step 2: Convert to fraction form
    20,320,559.16/28,040,907.42 = 11,619,098.52/x
  3. Step 3: Cross multiply
    20,320,559.16x = 28,040,907.42 × 11,619,098.52
  4. Step 4: Simplify right side
    20,320,559.16x = 325,810,065,903,179
  5. Step 5: Solve for x
    x = 325,810,065,903,179/20,320,559.16
  6. Step 6: Final answer
    x = 16,033,518.73

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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.