Home / 9,196,711.98-12,690,160.83-5,222,845.50

Finding the Fourth Proportional to 9,196,711.98, 12,690,160.83 and 5,222,845.50

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Solution

The fourth proportional to 9,196,711.98, 12,690,160.83 and 5,222,845.50 is: 7,206,787.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,196,711.98 : 12,690,160.83 = 5,222,845.50 : x
  2. Step 2: Convert to fraction form
    9,196,711.98/12,690,160.83 = 5,222,845.50/x
  3. Step 3: Cross multiply
    9,196,711.98x = 12,690,160.83 × 5,222,845.50
  4. Step 4: Simplify right side
    9,196,711.98x = 66,278,749,385,241.77
  5. Step 5: Solve for x
    x = 66,278,749,385,241.77/9,196,711.98
  6. Step 6: Final answer
    x = 7,206,787.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.