Home / 10,628,240.90-15,944,891.06-3,439,774.81

Finding the Fourth Proportional to 10,628,240.90, 15,944,891.06 and 3,439,774.81

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Solution

The fourth proportional to 10,628,240.90, 15,944,891.06 and 3,439,774.81 is: 5,160,480.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,628,240.90 : 15,944,891.06 = 3,439,774.81 : x
  2. Step 2: Convert to fraction form
    10,628,240.90/15,944,891.06 = 3,439,774.81/x
  3. Step 3: Cross multiply
    10,628,240.90x = 15,944,891.06 × 3,439,774.81
  4. Step 4: Simplify right side
    10,628,240.90x = 54,846,834,519,458.87
  5. Step 5: Solve for x
    x = 54,846,834,519,458.87/10,628,240.90
  6. Step 6: Final answer
    x = 5,160,480.93

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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.