Home / 8,190,759.76-11,302,740.21-4,519,705.30

Finding the Fourth Proportional to 8,190,759.76, 11,302,740.21 and 4,519,705.30

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Solution

The fourth proportional to 8,190,759.76, 11,302,740.21 and 4,519,705.30 is: 6,236,912.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190,759.76 : 11,302,740.21 = 4,519,705.30 : x
  2. Step 2: Convert to fraction form
    8,190,759.76/11,302,740.21 = 4,519,705.30/x
  3. Step 3: Cross multiply
    8,190,759.76x = 11,302,740.21 × 4,519,705.30
  4. Step 4: Simplify right side
    8,190,759.76x = 51,085,054,831,660.12
  5. Step 5: Solve for x
    x = 51,085,054,831,660.12/8,190,759.76
  6. Step 6: Final answer
    x = 6,236,912.85

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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.