Home / 9,028,978.32-13,543,205.04-2,639,380.80

Finding the Fourth Proportional to 9,028,978.32, 13,543,205.04 and 2,639,380.80

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Solution

The fourth proportional to 9,028,978.32, 13,543,205.04 and 2,639,380.80 is: 3,958,994.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,028,978.32 : 13,543,205.04 = 2,639,380.80 : x
  2. Step 2: Convert to fraction form
    9,028,978.32/13,543,205.04 = 2,639,380.80/x
  3. Step 3: Cross multiply
    9,028,978.32x = 13,543,205.04 × 2,639,380.80
  4. Step 4: Simplify right side
    9,028,978.32x = 35,745,675,353,039.23
  5. Step 5: Solve for x
    x = 35,745,675,353,039.23/9,028,978.32
  6. Step 6: Final answer
    x = 3,958,994.48

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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.