Home / 28,949,228.47-39,950,629.37-15,718,963.01

Finding the Fourth Proportional to 28,949,228.47, 39,950,629.37 and 15,718,963.01

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Solution

The fourth proportional to 28,949,228.47, 39,950,629.37 and 15,718,963.01 is: 21,692,545.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,949,228.47 : 39,950,629.37 = 15,718,963.01 : x
  2. Step 2: Convert to fraction form
    28,949,228.47/39,950,629.37 = 15,718,963.01/x
  3. Step 3: Cross multiply
    28,949,228.47x = 39,950,629.37 × 15,718,963.01
  4. Step 4: Simplify right side
    28,949,228.47x = 627,982,465,293,249.50
  5. Step 5: Solve for x
    x = 627,982,465,293,249.50/28,949,228.47
  6. Step 6: Final answer
    x = 21,692,545.83

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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.