Home / 13,621,690.66-20,431,945.41-3,386,336.26

Finding the Fourth Proportional to 13,621,690.66, 20,431,945.41 and 3,386,336.26

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Solution

The fourth proportional to 13,621,690.66, 20,431,945.41 and 3,386,336.26 is: 5,079,357.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,621,690.66 : 20,431,945.41 = 3,386,336.26 : x
  2. Step 2: Convert to fraction form
    13,621,690.66/20,431,945.41 = 3,386,336.26/x
  3. Step 3: Cross multiply
    13,621,690.66x = 20,431,945.41 × 3,386,336.26
  4. Step 4: Simplify right side
    13,621,690.66x = 69,189,437,604,223.56
  5. Step 5: Solve for x
    x = 69,189,437,604,223.56/13,621,690.66
  6. Step 6: Final answer
    x = 5,079,357.57

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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.