Home / 19,186,589.82-28,794,808.97-13,391,677.26

Finding the Fourth Proportional to 19,186,589.82, 28,794,808.97 and 13,391,677.26

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Solution

The fourth proportional to 19,186,589.82, 28,794,808.97 and 13,391,677.26 is: 20,097,932.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,186,589.82 : 28,794,808.97 = 13,391,677.26 : x
  2. Step 2: Convert to fraction form
    19,186,589.82/28,794,808.97 = 13,391,677.26/x
  3. Step 3: Cross multiply
    19,186,589.82x = 28,794,808.97 × 13,391,677.26
  4. Step 4: Simplify right side
    19,186,589.82x = 385,610,788,422,634.62
  5. Step 5: Solve for x
    x = 385,610,788,422,634.62/19,186,589.82
  6. Step 6: Final answer
    x = 20,097,932.57

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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.