Home / 10,104,764.10-15,166,659.60-5,315,890.20

Finding the Fourth Proportional to 10,104,764.10, 15,166,659.60 and 5,315,890.20

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Solution

The fourth proportional to 10,104,764.10, 15,166,659.60 and 5,315,890.20 is: 7,978,840.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,104,764.10 : 15,166,659.60 = 5,315,890.20 : x
  2. Step 2: Convert to fraction form
    10,104,764.10/15,166,659.60 = 5,315,890.20/x
  3. Step 3: Cross multiply
    10,104,764.10x = 15,166,659.60 × 5,315,890.20
  4. Step 4: Simplify right side
    10,104,764.10x = 80,624,297,134,375.92
  5. Step 5: Solve for x
    x = 80,624,297,134,375.92/10,104,764.10
  6. Step 6: Final answer
    x = 7,978,840.11

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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.