Home / 7,215,367.24-9,957,210.78-3,952,236.52

Finding the Fourth Proportional to 7,215,367.24, 9,957,210.78 and 3,952,236.52

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Solution

The fourth proportional to 7,215,367.24, 9,957,210.78 and 3,952,236.52 is: 5,454,088.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,215,367.24 : 9,957,210.78 = 3,952,236.52 : x
  2. Step 2: Convert to fraction form
    7,215,367.24/9,957,210.78 = 3,952,236.52/x
  3. Step 3: Cross multiply
    7,215,367.24x = 9,957,210.78 × 3,952,236.52
  4. Step 4: Simplify right side
    7,215,367.24x = 39,353,252,082,053.68
  5. Step 5: Solve for x
    x = 39,353,252,082,053.68/7,215,367.24
  6. Step 6: Final answer
    x = 5,454,088.58

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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.