Home / 13,972,551.40-20,916,836.70-8,289,850.60

Finding the Fourth Proportional to 13,972,551.40, 20,916,836.70 and 8,289,850.60

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Solution

The fourth proportional to 13,972,551.40, 20,916,836.70 and 8,289,850.60 is: 12,409,863.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972,551.40 : 20,916,836.70 = 8,289,850.60 : x
  2. Step 2: Convert to fraction form
    13,972,551.40/20,916,836.70 = 8,289,850.60/x
  3. Step 3: Cross multiply
    13,972,551.40x = 20,916,836.70 × 8,289,850.60
  4. Step 4: Simplify right side
    13,972,551.40x = 173,397,451,267,597
  5. Step 5: Solve for x
    x = 173,397,451,267,597/13,972,551.40
  6. Step 6: Final answer
    x = 12,409,863.19

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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.