Home / 7,143,685.44-9,858,556.37-4,004,006.61

Finding the Fourth Proportional to 7,143,685.44, 9,858,556.37 and 4,004,006.61

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Solution

The fourth proportional to 7,143,685.44, 9,858,556.37 and 4,004,006.61 is: 5,525,680.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,143,685.44 : 9,858,556.37 = 4,004,006.61 : x
  2. Step 2: Convert to fraction form
    7,143,685.44/9,858,556.37 = 4,004,006.61/x
  3. Step 3: Cross multiply
    7,143,685.44x = 9,858,556.37 × 4,004,006.61
  4. Step 4: Simplify right side
    7,143,685.44x = 39,473,724,925,964.46
  5. Step 5: Solve for x
    x = 39,473,724,925,964.46/7,143,685.44
  6. Step 6: Final answer
    x = 5,525,680.72

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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.