Home / 28,405,002.88-42,609,297.99-12,007,229.62

Finding the Fourth Proportional to 28,405,002.88, 42,609,297.99 and 12,007,229.62

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Solution

The fourth proportional to 28,405,002.88, 42,609,297.99 and 12,007,229.62 is: 18,011,602.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,405,002.88 : 42,609,297.99 = 12,007,229.62 : x
  2. Step 2: Convert to fraction form
    28,405,002.88/42,609,297.99 = 12,007,229.62/x
  3. Step 3: Cross multiply
    28,405,002.88x = 42,609,297.99 × 12,007,229.62
  4. Step 4: Simplify right side
    28,405,002.88x = 511,619,624,912,934.44
  5. Step 5: Solve for x
    x = 511,619,624,912,934.44/28,405,002.88
  6. Step 6: Final answer
    x = 18,011,602.64

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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.