Home / 19,581,961.67-29,362,805.44-8,789,969.60

Finding the Fourth Proportional to 19,581,961.67, 29,362,805.44 and 8,789,969.60

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Solution

The fourth proportional to 19,581,961.67, 29,362,805.44 and 8,789,969.60 is: 13,180,404.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,581,961.67 : 29,362,805.44 = 8,789,969.60 : x
  2. Step 2: Convert to fraction form
    19,581,961.67/29,362,805.44 = 8,789,969.60/x
  3. Step 3: Cross multiply
    19,581,961.67x = 29,362,805.44 × 8,789,969.60
  4. Step 4: Simplify right side
    19,581,961.67x = 258,098,167,188,314.62
  5. Step 5: Solve for x
    x = 258,098,167,188,314.62/19,581,961.67
  6. Step 6: Final answer
    x = 13,180,404.06

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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.