Home / 19,202,711.82-28,773,731.30-15,590,832.11

Finding the Fourth Proportional to 19,202,711.82, 28,773,731.30 and 15,590,832.11

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Solution

The fourth proportional to 19,202,711.82, 28,773,731.30 and 15,590,832.11 is: 23,361,617.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,202,711.82 : 28,773,731.30 = 15,590,832.11 : x
  2. Step 2: Convert to fraction form
    19,202,711.82/28,773,731.30 = 15,590,832.11/x
  3. Step 3: Cross multiply
    19,202,711.82x = 28,773,731.30 × 15,590,832.11
  4. Step 4: Simplify right side
    19,202,711.82x = 448,606,413,850,329.19
  5. Step 5: Solve for x
    x = 448,606,413,850,329.19/19,202,711.82
  6. Step 6: Final answer
    x = 23,361,617.78

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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.