Home / 10,455,410.87-15,678,799.39-4,540,361.82

Finding the Fourth Proportional to 10,455,410.87, 15,678,799.39 and 4,540,361.82

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Solution

The fourth proportional to 10,455,410.87, 15,678,799.39 and 4,540,361.82 is: 6,808,668.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455,410.87 : 15,678,799.39 = 4,540,361.82 : x
  2. Step 2: Convert to fraction form
    10,455,410.87/15,678,799.39 = 4,540,361.82/x
  3. Step 3: Cross multiply
    10,455,410.87x = 15,678,799.39 × 4,540,361.82
  4. Step 4: Simplify right side
    10,455,410.87x = 71,187,422,133,795.30
  5. Step 5: Solve for x
    x = 71,187,422,133,795.30/10,455,410.87
  6. Step 6: Final answer
    x = 6,808,668.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.