Home / 7,100,823.67-9,796,743.19-4,042,872.79

Finding the Fourth Proportional to 7,100,823.67, 9,796,743.19 and 4,042,872.79

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Solution

The fourth proportional to 7,100,823.67, 9,796,743.19 and 4,042,872.79 is: 5,577,801.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,100,823.67 : 9,796,743.19 = 4,042,872.79 : x
  2. Step 2: Convert to fraction form
    7,100,823.67/9,796,743.19 = 4,042,872.79/x
  3. Step 3: Cross multiply
    7,100,823.67x = 9,796,743.19 × 4,042,872.79
  4. Step 4: Simplify right side
    7,100,823.67x = 39,606,986,473,468.80
  5. Step 5: Solve for x
    x = 39,606,986,473,468.80/7,100,823.67
  6. Step 6: Final answer
    x = 5,577,801.72

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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.