Home / 43,947,745.67-65,915,201.43-12,815,036.80

Finding the Fourth Proportional to 43,947,745.67, 65,915,201.43 and 12,815,036.80

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Solution

The fourth proportional to 43,947,745.67, 65,915,201.43 and 12,815,036.80 is: 19,220,684.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,947,745.67 : 65,915,201.43 = 12,815,036.80 : x
  2. Step 2: Convert to fraction form
    43,947,745.67/65,915,201.43 = 12,815,036.80/x
  3. Step 3: Cross multiply
    43,947,745.67x = 65,915,201.43 × 12,815,036.80
  4. Step 4: Simplify right side
    43,947,745.67x = 844,705,732,004,862.62
  5. Step 5: Solve for x
    x = 844,705,732,004,862.62/43,947,745.67
  6. Step 6: Final answer
    x = 19,220,684.00

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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.