Home / 7,738,410.40-11,607,615.60-3,912,035.20

Finding the Fourth Proportional to 7,738,410.40, 11,607,615.60 and 3,912,035.20

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Solution

The fourth proportional to 7,738,410.40, 11,607,615.60 and 3,912,035.20 is: 5,868,052.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,738,410.40 : 11,607,615.60 = 3,912,035.20 : x
  2. Step 2: Convert to fraction form
    7,738,410.40/11,607,615.60 = 3,912,035.20/x
  3. Step 3: Cross multiply
    7,738,410.40x = 11,607,615.60 × 3,912,035.20
  4. Step 4: Simplify right side
    7,738,410.40x = 45,409,400,815,269.12
  5. Step 5: Solve for x
    x = 45,409,400,815,269.12/7,738,410.40
  6. Step 6: Final answer
    x = 5,868,052.80

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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.