Home / 14,033,329.20-21,049,993.80-7,986,711.60

Finding the Fourth Proportional to 14,033,329.20, 21,049,993.80 and 7,986,711.60

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Solution

The fourth proportional to 14,033,329.20, 21,049,993.80 and 7,986,711.60 is: 11,980,067.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,033,329.20 : 21,049,993.80 = 7,986,711.60 : x
  2. Step 2: Convert to fraction form
    14,033,329.20/21,049,993.80 = 7,986,711.60/x
  3. Step 3: Cross multiply
    14,033,329.20x = 21,049,993.80 × 7,986,711.60
  4. Step 4: Simplify right side
    14,033,329.20x = 168,120,229,662,388.06
  5. Step 5: Solve for x
    x = 168,120,229,662,388.06/14,033,329.20
  6. Step 6: Final answer
    x = 11,980,067.40

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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.