Home / 8,962,825.20-13,444,237.80-2,978,415.60

Finding the Fourth Proportional to 8,962,825.20, 13,444,237.80 and 2,978,415.60

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Solution

The fourth proportional to 8,962,825.20, 13,444,237.80 and 2,978,415.60 is: 4,467,623.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,962,825.20 : 13,444,237.80 = 2,978,415.60 : x
  2. Step 2: Convert to fraction form
    8,962,825.20/13,444,237.80 = 2,978,415.60/x
  3. Step 3: Cross multiply
    8,962,825.20x = 13,444,237.80 × 2,978,415.60
  4. Step 4: Simplify right side
    8,962,825.20x = 40,042,527,593,629.68
  5. Step 5: Solve for x
    x = 40,042,527,593,629.68/8,962,825.20
  6. Step 6: Final answer
    x = 4,467,623.40

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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.