Home / 8,874,608.40-13,311,912.60-7,918,014.60

Finding the Fourth Proportional to 8,874,608.40, 13,311,912.60 and 7,918,014.60

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Solution

The fourth proportional to 8,874,608.40, 13,311,912.60 and 7,918,014.60 is: 11,877,021.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,874,608.40 : 13,311,912.60 = 7,918,014.60 : x
  2. Step 2: Convert to fraction form
    8,874,608.40/13,311,912.60 = 7,918,014.60/x
  3. Step 3: Cross multiply
    8,874,608.40x = 13,311,912.60 × 7,918,014.60
  4. Step 4: Simplify right side
    8,874,608.40x = 105,403,918,320,723.95
  5. Step 5: Solve for x
    x = 105,403,918,320,723.95/8,874,608.40
  6. Step 6: Final answer
    x = 11,877,021.90

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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.