Home / 28,323,162.05-39,085,906.28-15,933,264.17

Finding the Fourth Proportional to 28,323,162.05, 39,085,906.28 and 15,933,264.17

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Solution

The fourth proportional to 28,323,162.05, 39,085,906.28 and 15,933,264.17 is: 21,987,872.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,323,162.05 : 39,085,906.28 = 15,933,264.17 : x
  2. Step 2: Convert to fraction form
    28,323,162.05/39,085,906.28 = 15,933,264.17/x
  3. Step 3: Cross multiply
    28,323,162.05x = 39,085,906.28 × 15,933,264.17
  4. Step 4: Simplify right side
    28,323,162.05x = 622,766,069,808,006.12
  5. Step 5: Solve for x
    x = 622,766,069,808,006.12/28,323,162.05
  6. Step 6: Final answer
    x = 21,987,872.29

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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.