Home / 8,462,442.88-12,694,072.56-2,782,541.44

Finding the Fourth Proportional to 8,462,442.88, 12,694,072.56 and 2,782,541.44

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Solution

The fourth proportional to 8,462,442.88, 12,694,072.56 and 2,782,541.44 is: 4,173,946.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,462,442.88 : 12,694,072.56 = 2,782,541.44 : x
  2. Step 2: Convert to fraction form
    8,462,442.88/12,694,072.56 = 2,782,541.44/x
  3. Step 3: Cross multiply
    8,462,442.88x = 12,694,072.56 × 2,782,541.44
  4. Step 4: Simplify right side
    8,462,442.88x = 35,321,782,940,566.89
  5. Step 5: Solve for x
    x = 35,321,782,940,566.89/8,462,442.88
  6. Step 6: Final answer
    x = 4,173,946.39

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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.