Home / 12,899,293.53-19,351,739.67-3,923,612.25

Finding the Fourth Proportional to 12,899,293.53, 19,351,739.67 and 3,923,612.25

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Solution

The fourth proportional to 12,899,293.53, 19,351,739.67 and 3,923,612.25 is: 5,886,269.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,899,293.53 : 19,351,739.67 = 3,923,612.25 : x
  2. Step 2: Convert to fraction form
    12,899,293.53/19,351,739.67 = 3,923,612.25/x
  3. Step 3: Cross multiply
    12,899,293.53x = 19,351,739.67 × 3,923,612.25
  4. Step 4: Simplify right side
    12,899,293.53x = 75,928,722,828,022.97
  5. Step 5: Solve for x
    x = 75,928,722,828,022.97/12,899,293.53
  6. Step 6: Final answer
    x = 5,886,269.87

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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.