Home / 19,351,578.87-29,032,429.83-7,221,148.26

Finding the Fourth Proportional to 19,351,578.87, 29,032,429.83 and 7,221,148.26

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Solution

The fourth proportional to 19,351,578.87, 29,032,429.83 and 7,221,148.26 is: 10,833,611.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,351,578.87 : 29,032,429.83 = 7,221,148.26 : x
  2. Step 2: Convert to fraction form
    19,351,578.87/29,032,429.83 = 7,221,148.26/x
  3. Step 3: Cross multiply
    19,351,578.87x = 29,032,429.83 × 7,221,148.26
  4. Step 4: Simplify right side
    19,351,578.87x = 209,647,480,150,476.56
  5. Step 5: Solve for x
    x = 209,647,480,150,476.56/19,351,578.87
  6. Step 6: Final answer
    x = 10,833,611.13

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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.