Home / 8,178,172.71-11,286,410.58-4,694,638.97

Finding the Fourth Proportional to 8,178,172.71, 11,286,410.58 and 4,694,638.97

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Solution

The fourth proportional to 8,178,172.71, 11,286,410.58 and 4,694,638.97 is: 6,478,907.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,178,172.71 : 11,286,410.58 = 4,694,638.97 : x
  2. Step 2: Convert to fraction form
    8,178,172.71/11,286,410.58 = 4,694,638.97/x
  3. Step 3: Cross multiply
    8,178,172.71x = 11,286,410.58 × 4,694,638.97
  4. Step 4: Simplify right side
    8,178,172.71x = 52,985,622,979,104.73
  5. Step 5: Solve for x
    x = 52,985,622,979,104.73/8,178,172.71
  6. Step 6: Final answer
    x = 6,478,907.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.