Home / 19,647,651.59-29,438,896.10-11,948,005.53

Finding the Fourth Proportional to 19,647,651.59, 29,438,896.10 and 11,948,005.53

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Solution

The fourth proportional to 19,647,651.59, 29,438,896.10 and 11,948,005.53 is: 17,902,195.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,647,651.59 : 29,438,896.10 = 11,948,005.53 : x
  2. Step 2: Convert to fraction form
    19,647,651.59/29,438,896.10 = 11,948,005.53/x
  3. Step 3: Cross multiply
    19,647,651.59x = 29,438,896.10 × 11,948,005.53
  4. Step 4: Simplify right side
    19,647,651.59x = 351,736,093,340,155.38
  5. Step 5: Solve for x
    x = 351,736,093,340,155.38/19,647,651.59
  6. Step 6: Final answer
    x = 17,902,195.16

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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.