Home / 28,843,891.66-39,804,579.46-15,791,979.54

Finding the Fourth Proportional to 28,843,891.66, 39,804,579.46 and 15,791,979.54

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Solution

The fourth proportional to 28,843,891.66, 39,804,579.46 and 15,791,979.54 is: 21,792,936.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,843,891.66 : 39,804,579.46 = 15,791,979.54 : x
  2. Step 2: Convert to fraction form
    28,843,891.66/39,804,579.46 = 15,791,979.54/x
  3. Step 3: Cross multiply
    28,843,891.66x = 39,804,579.46 × 15,791,979.54
  4. Step 4: Simplify right side
    28,843,891.66x = 628,593,104,430,624.25
  5. Step 5: Solve for x
    x = 628,593,104,430,624.25/28,843,891.66
  6. Step 6: Final answer
    x = 21,792,936.68

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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.