Home / 14,304,163.20-21,456,244.80-3,521,378.40

Finding the Fourth Proportional to 14,304,163.20, 21,456,244.80 and 3,521,378.40

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Solution

The fourth proportional to 14,304,163.20, 21,456,244.80 and 3,521,378.40 is: 5,282,067.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,304,163.20 : 21,456,244.80 = 3,521,378.40 : x
  2. Step 2: Convert to fraction form
    14,304,163.20/21,456,244.80 = 3,521,378.40/x
  3. Step 3: Cross multiply
    14,304,163.20x = 21,456,244.80 × 3,521,378.40
  4. Step 4: Simplify right side
    14,304,163.20x = 75,555,556,983,832.33
  5. Step 5: Solve for x
    x = 75,555,556,983,832.33/14,304,163.20
  6. Step 6: Final answer
    x = 5,282,067.60

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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.