Home / 9,113,912.20-13,670,868.30-8,972,194.60

Finding the Fourth Proportional to 9,113,912.20, 13,670,868.30 and 8,972,194.60

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Solution

The fourth proportional to 9,113,912.20, 13,670,868.30 and 8,972,194.60 is: 13,458,291.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,113,912.20 : 13,670,868.30 = 8,972,194.60 : x
  2. Step 2: Convert to fraction form
    9,113,912.20/13,670,868.30 = 8,972,194.60/x
  3. Step 3: Cross multiply
    9,113,912.20x = 13,670,868.30 × 8,972,194.60
  4. Step 4: Simplify right side
    9,113,912.20x = 122,657,690,738,571.19
  5. Step 5: Solve for x
    x = 122,657,690,738,571.19/9,113,912.20
  6. Step 6: Final answer
    x = 13,458,291.90

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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.