Home / 28,977,176.80-43,415,998.80-15,310,079.20

Finding the Fourth Proportional to 28,977,176.80, 43,415,998.80 and 15,310,079.20

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Solution

The fourth proportional to 28,977,176.80, 43,415,998.80 and 15,310,079.20 is: 22,938,824.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,977,176.80 : 43,415,998.80 = 15,310,079.20 : x
  2. Step 2: Convert to fraction form
    28,977,176.80/43,415,998.80 = 15,310,079.20/x
  3. Step 3: Cross multiply
    28,977,176.80x = 43,415,998.80 × 15,310,079.20
  4. Step 4: Simplify right side
    28,977,176.80x = 664,702,380,175,104.88
  5. Step 5: Solve for x
    x = 664,702,380,175,104.88/28,977,176.80
  6. Step 6: Final answer
    x = 22,938,824.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.