Home / 7,412,972.18-10,229,822.73-4,149,813.72

Finding the Fourth Proportional to 7,412,972.18, 10,229,822.73 and 4,149,813.72

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Solution

The fourth proportional to 7,412,972.18, 10,229,822.73 and 4,149,813.72 is: 5,726,698.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,412,972.18 : 10,229,822.73 = 4,149,813.72 : x
  2. Step 2: Convert to fraction form
    7,412,972.18/10,229,822.73 = 4,149,813.72/x
  3. Step 3: Cross multiply
    7,412,972.18x = 10,229,822.73 × 4,149,813.72
  4. Step 4: Simplify right side
    7,412,972.18x = 42,451,858,710,614.37
  5. Step 5: Solve for x
    x = 42,451,858,710,614.37/7,412,972.18
  6. Step 6: Final answer
    x = 5,726,698.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.