Home / 7,120,691.30-9,839,588.73-5,183,588.85

Finding the Fourth Proportional to 7,120,691.30, 9,839,588.73 and 5,183,588.85

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Solution

The fourth proportional to 7,120,691.30, 9,839,588.73 and 5,183,588.85 is: 7,162,841.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,120,691.30 : 9,839,588.73 = 5,183,588.85 : x
  2. Step 2: Convert to fraction form
    7,120,691.30/9,839,588.73 = 5,183,588.85/x
  3. Step 3: Cross multiply
    7,120,691.30x = 9,839,588.73 × 5,183,588.85
  4. Step 4: Simplify right side
    7,120,691.30x = 51,004,382,429,413.66
  5. Step 5: Solve for x
    x = 51,004,382,429,413.66/7,120,691.30
  6. Step 6: Final answer
    x = 7,162,841.40

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1.5x scale

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.