Home / 19,691,326.90-29,522,993.55-7,556,101.30

Finding the Fourth Proportional to 19,691,326.90, 29,522,993.55 and 7,556,101.30

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Solution

The fourth proportional to 19,691,326.90, 29,522,993.55 and 7,556,101.30 is: 11,328,780.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,691,326.90 : 29,522,993.55 = 7,556,101.30 : x
  2. Step 2: Convert to fraction form
    19,691,326.90/29,522,993.55 = 7,556,101.30/x
  3. Step 3: Cross multiply
    19,691,326.90x = 29,522,993.55 × 7,556,101.30
  4. Step 4: Simplify right side
    19,691,326.90x = 223,078,729,943,046.62
  5. Step 5: Solve for x
    x = 223,078,729,943,046.62/19,691,326.90
  6. Step 6: Final answer
    x = 11,328,780.99

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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.