Home / 28,237,286.79-42,373,847.87-12,063,359.72

Finding the Fourth Proportional to 28,237,286.79, 42,373,847.87 and 12,063,359.72

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Solution

The fourth proportional to 28,237,286.79, 42,373,847.87 and 12,063,359.72 is: 18,102,694.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,237,286.79 : 42,373,847.87 = 12,063,359.72 : x
  2. Step 2: Convert to fraction form
    28,237,286.79/42,373,847.87 = 12,063,359.72/x
  3. Step 3: Cross multiply
    28,237,286.79x = 42,373,847.87 × 12,063,359.72
  4. Step 4: Simplify right side
    28,237,286.79x = 511,170,969,304,179.75
  5. Step 5: Solve for x
    x = 511,170,969,304,179.75/28,237,286.79
  6. Step 6: Final answer
    x = 18,102,694.25

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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.