Home / 19,493,396.87-29,256,891.48-13,513,963.91

Finding the Fourth Proportional to 19,493,396.87, 29,256,891.48 and 13,513,963.91

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Solution

The fourth proportional to 19,493,396.87, 29,256,891.48 and 13,513,963.91 is: 20,282,589.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,493,396.87 : 29,256,891.48 = 13,513,963.91 : x
  2. Step 2: Convert to fraction form
    19,493,396.87/29,256,891.48 = 13,513,963.91/x
  3. Step 3: Cross multiply
    19,493,396.87x = 29,256,891.48 × 13,513,963.91
  4. Step 4: Simplify right side
    19,493,396.87x = 395,376,575,579,506.50
  5. Step 5: Solve for x
    x = 395,376,575,579,506.50/19,493,396.87
  6. Step 6: Final answer
    x = 20,282,589.96

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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.