Home / 9,268,270.40-13,902,405.60-5,479,803.20

Finding the Fourth Proportional to 9,268,270.40, 13,902,405.60 and 5,479,803.20

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Solution

The fourth proportional to 9,268,270.40, 13,902,405.60 and 5,479,803.20 is: 8,219,704.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,268,270.40 : 13,902,405.60 = 5,479,803.20 : x
  2. Step 2: Convert to fraction form
    9,268,270.40/13,902,405.60 = 5,479,803.20/x
  3. Step 3: Cross multiply
    9,268,270.40x = 13,902,405.60 × 5,479,803.20
  4. Step 4: Simplify right side
    9,268,270.40x = 76,182,446,694,577.92
  5. Step 5: Solve for x
    x = 76,182,446,694,577.92/9,268,270.40
  6. Step 6: Final answer
    x = 8,219,704.80

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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.