Home / 8,103,414.40-12,155,121.60-2,119,782.40

Finding the Fourth Proportional to 8,103,414.40, 12,155,121.60 and 2,119,782.40

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Solution

The fourth proportional to 8,103,414.40, 12,155,121.60 and 2,119,782.40 is: 3,179,673.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,103,414.40 : 12,155,121.60 = 2,119,782.40 : x
  2. Step 2: Convert to fraction form
    8,103,414.40/12,155,121.60 = 2,119,782.40/x
  3. Step 3: Cross multiply
    8,103,414.40x = 12,155,121.60 × 2,119,782.40
  4. Step 4: Simplify right side
    8,103,414.40x = 25,766,212,837,539.84
  5. Step 5: Solve for x
    x = 25,766,212,837,539.84/8,103,414.40
  6. Step 6: Final answer
    x = 3,179,673.60

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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.