Home / 8,431,905.96-12,647,889-2,042,162.64

Finding the Fourth Proportional to 8,431,905.96, 12,647,889 and 2,042,162.64

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Solution

The fourth proportional to 8,431,905.96, 12,647,889 and 2,042,162.64 is: 3,063,251.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,431,905.96 : 12,647,889 = 2,042,162.64 : x
  2. Step 2: Convert to fraction form
    8,431,905.96/12,647,889 = 2,042,162.64/x
  3. Step 3: Cross multiply
    8,431,905.96x = 12,647,889 × 2,042,162.64
  4. Step 4: Simplify right side
    8,431,905.96x = 25,829,046,390,666.96
  5. Step 5: Solve for x
    x = 25,829,046,390,666.96/8,431,905.96
  6. Step 6: Final answer
    x = 3,063,251.24

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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.