Home / 7,042,865.58-9,719,147.16-3,945,410.76

Finding the Fourth Proportional to 7,042,865.58, 9,719,147.16 and 3,945,410.76

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Solution

The fourth proportional to 7,042,865.58, 9,719,147.16 and 3,945,410.76 is: 5,444,662.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,042,865.58 : 9,719,147.16 = 3,945,410.76 : x
  2. Step 2: Convert to fraction form
    7,042,865.58/9,719,147.16 = 3,945,410.76/x
  3. Step 3: Cross multiply
    7,042,865.58x = 9,719,147.16 × 3,945,410.76
  4. Step 4: Simplify right side
    7,042,865.58x = 38,346,027,783,087.44
  5. Step 5: Solve for x
    x = 38,346,027,783,087.44/7,042,865.58
  6. Step 6: Final answer
    x = 5,444,662.74

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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.