Home / 28,878,508.96-39,852,377.41-15,647,675.44

Finding the Fourth Proportional to 28,878,508.96, 39,852,377.41 and 15,647,675.44

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Solution

The fourth proportional to 28,878,508.96, 39,852,377.41 and 15,647,675.44 is: 21,593,811.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,878,508.96 : 39,852,377.41 = 15,647,675.44 : x
  2. Step 2: Convert to fraction form
    28,878,508.96/39,852,377.41 = 15,647,675.44/x
  3. Step 3: Cross multiply
    28,878,508.96x = 39,852,377.41 × 15,647,675.44
  4. Step 4: Simplify right side
    28,878,508.96x = 623,597,067,224,067.75
  5. Step 5: Solve for x
    x = 623,597,067,224,067.75/28,878,508.96
  6. Step 6: Final answer
    x = 21,593,811.10

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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.