Home / 28,865,498.08-39,834,403.44-15,813,229.36

Finding the Fourth Proportional to 28,865,498.08, 39,834,403.44 and 15,813,229.36

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Solution

The fourth proportional to 28,865,498.08, 39,834,403.44 and 15,813,229.36 is: 21,822,265.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,865,498.08 : 39,834,403.44 = 15,813,229.36 : x
  2. Step 2: Convert to fraction form
    28,865,498.08/39,834,403.44 = 15,813,229.36/x
  3. Step 3: Cross multiply
    28,865,498.08x = 39,834,403.44 × 15,813,229.36
  4. Step 4: Simplify right side
    28,865,498.08x = 629,910,558,015,492.88
  5. Step 5: Solve for x
    x = 629,910,558,015,492.88/28,865,498.08
  6. Step 6: Final answer
    x = 21,822,265.33

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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.