Home / 8,338,385.88-12,507,447.42-2,658,571.92

Finding the Fourth Proportional to 8,338,385.88, 12,507,447.42 and 2,658,571.92

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Solution

The fourth proportional to 8,338,385.88, 12,507,447.42 and 2,658,571.92 is: 3,987,815.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,338,385.88 : 12,507,447.42 = 2,658,571.92 : x
  2. Step 2: Convert to fraction form
    8,338,385.88/12,507,447.42 = 2,658,571.92/x
  3. Step 3: Cross multiply
    8,338,385.88x = 12,507,447.42 × 2,658,571.92
  4. Step 4: Simplify right side
    8,338,385.88x = 33,251,948,501,688.45
  5. Step 5: Solve for x
    x = 33,251,948,501,688.45/8,338,385.88
  6. Step 6: Final answer
    x = 3,987,815.99

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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.