Home / 28,787,686.51-39,726,949.83-16,397,775.18

Finding the Fourth Proportional to 28,787,686.51, 39,726,949.83 and 16,397,775.18

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Solution

The fourth proportional to 28,787,686.51, 39,726,949.83 and 16,397,775.18 is: 22,628,896.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,787,686.51 : 39,726,949.83 = 16,397,775.18 : x
  2. Step 2: Convert to fraction form
    28,787,686.51/39,726,949.83 = 16,397,775.18/x
  3. Step 3: Cross multiply
    28,787,686.51x = 39,726,949.83 × 16,397,775.18
  4. Step 4: Simplify right side
    28,787,686.51x = 651,433,591,899,479.12
  5. Step 5: Solve for x
    x = 651,433,591,899,479.12/28,787,686.51
  6. Step 6: Final answer
    x = 22,628,896.97

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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.