Home / 13,986,821.36-20,983,965.48-5,012,280.56

Finding the Fourth Proportional to 13,986,821.36, 20,983,965.48 and 5,012,280.56

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Solution

The fourth proportional to 13,986,821.36, 20,983,965.48 and 5,012,280.56 is: 7,519,758.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,986,821.36 : 20,983,965.48 = 5,012,280.56 : x
  2. Step 2: Convert to fraction form
    13,986,821.36/20,983,965.48 = 5,012,280.56/x
  3. Step 3: Cross multiply
    13,986,821.36x = 20,983,965.48 × 5,012,280.56
  4. Step 4: Simplify right side
    13,986,821.36x = 105,177,522,247,115.06
  5. Step 5: Solve for x
    x = 105,177,522,247,115.06/13,986,821.36
  6. Step 6: Final answer
    x = 7,519,758.75

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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.