Home / 8,211,704.40-12,294,228.60-7,764,843.60

Finding the Fourth Proportional to 8,211,704.40, 12,294,228.60 and 7,764,843.60

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Solution

The fourth proportional to 8,211,704.40, 12,294,228.60 and 7,764,843.60 is: 11,625,206.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,211,704.40 : 12,294,228.60 = 7,764,843.60 : x
  2. Step 2: Convert to fraction form
    8,211,704.40/12,294,228.60 = 7,764,843.60/x
  3. Step 3: Cross multiply
    8,211,704.40x = 12,294,228.60 × 7,764,843.60
  4. Step 4: Simplify right side
    8,211,704.40x = 95,462,762,261,646.95
  5. Step 5: Solve for x
    x = 95,462,762,261,646.95/8,211,704.40
  6. Step 6: Final answer
    x = 11,625,206.85

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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.