Home / 10,267,422.80-15,378,993.05-9,663,759.77

Finding the Fourth Proportional to 10,267,422.80, 15,378,993.05 and 9,663,759.77

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Solution

The fourth proportional to 10,267,422.80, 15,378,993.05 and 9,663,759.77 is: 14,474,800.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,267,422.80 : 15,378,993.05 = 9,663,759.77 : x
  2. Step 2: Convert to fraction form
    10,267,422.80/15,378,993.05 = 9,663,759.77/x
  3. Step 3: Cross multiply
    10,267,422.80x = 15,378,993.05 × 9,663,759.77
  4. Step 4: Simplify right side
    10,267,422.80x = 148,618,894,286,964.03
  5. Step 5: Solve for x
    x = 148,618,894,286,964.03/10,267,422.80
  6. Step 6: Final answer
    x = 14,474,800.27

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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.