Home / 7,661,829.60-11,491,131.60-3,871,749.60

Finding the Fourth Proportional to 7,661,829.60, 11,491,131.60 and 3,871,749.60

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Solution

The fourth proportional to 7,661,829.60, 11,491,131.60 and 3,871,749.60 is: 5,806,809.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,661,829.60 : 11,491,131.60 = 3,871,749.60 : x
  2. Step 2: Convert to fraction form
    7,661,829.60/11,491,131.60 = 3,871,749.60/x
  3. Step 3: Cross multiply
    7,661,829.60x = 11,491,131.60 × 3,871,749.60
  4. Step 4: Simplify right side
    7,661,829.60x = 44,490,784,175,847.36
  5. Step 5: Solve for x
    x = 44,490,784,175,847.36/7,661,829.60
  6. Step 6: Final answer
    x = 5,806,809.40

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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.