Home / 8,964,907.82-13,437,168.62-7,883,300.78

Finding the Fourth Proportional to 8,964,907.82, 13,437,168.62 and 7,883,300.78

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Solution

The fourth proportional to 8,964,907.82, 13,437,168.62 and 7,883,300.78 is: 11,815,987.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,964,907.82 : 13,437,168.62 = 7,883,300.78 : x
  2. Step 2: Convert to fraction form
    8,964,907.82/13,437,168.62 = 7,883,300.78/x
  3. Step 3: Cross multiply
    8,964,907.82x = 13,437,168.62 × 7,883,300.78
  4. Step 4: Simplify right side
    8,964,907.82x = 105,929,241,863,037.52
  5. Step 5: Solve for x
    x = 105,929,241,863,037.52/8,964,907.82
  6. Step 6: Final answer
    x = 11,815,987.85

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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.