Home / 11,166,608.40-16,749,912.60-3,978,376.80

Finding the Fourth Proportional to 11,166,608.40, 16,749,912.60 and 3,978,376.80

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Solution

The fourth proportional to 11,166,608.40, 16,749,912.60 and 3,978,376.80 is: 5,967,565.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,166,608.40 : 16,749,912.60 = 3,978,376.80 : x
  2. Step 2: Convert to fraction form
    11,166,608.40/16,749,912.60 = 3,978,376.80/x
  3. Step 3: Cross multiply
    11,166,608.40x = 16,749,912.60 × 3,978,376.80
  4. Step 4: Simplify right side
    11,166,608.40x = 66,637,463,689,867.67
  5. Step 5: Solve for x
    x = 66,637,463,689,867.67/11,166,608.40
  6. Step 6: Final answer
    x = 5,967,565.20

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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.