Home / 7,381,107.20-11,071,660.80-5,216,268.80

Finding the Fourth Proportional to 7,381,107.20, 11,071,660.80 and 5,216,268.80

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Solution

The fourth proportional to 7,381,107.20, 11,071,660.80 and 5,216,268.80 is: 7,824,403.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,107.20 : 11,071,660.80 = 5,216,268.80 : x
  2. Step 2: Convert to fraction form
    7,381,107.20/11,071,660.80 = 5,216,268.80/x
  3. Step 3: Cross multiply
    7,381,107.20x = 11,071,660.80 × 5,216,268.80
  4. Step 4: Simplify right side
    7,381,107.20x = 57,752,758,795,223.04
  5. Step 5: Solve for x
    x = 57,752,758,795,223.04/7,381,107.20
  6. Step 6: Final answer
    x = 7,824,403.20

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Similar ratio
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1.5x scale

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.