Home / 18,337,815.15-27,507,664.65-4,691,079.72

Finding the Fourth Proportional to 18,337,815.15, 27,507,664.65 and 4,691,079.72

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Solution

The fourth proportional to 18,337,815.15, 27,507,664.65 and 4,691,079.72 is: 7,036,860.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,337,815.15 : 27,507,664.65 = 4,691,079.72 : x
  2. Step 2: Convert to fraction form
    18,337,815.15/27,507,664.65 = 4,691,079.72/x
  3. Step 3: Cross multiply
    18,337,815.15x = 27,507,664.65 × 4,691,079.72
  4. Step 4: Simplify right side
    18,337,815.15x = 129,040,647,784,175.89
  5. Step 5: Solve for x
    x = 129,040,647,784,175.89/18,337,815.15
  6. Step 6: Final answer
    x = 7,036,860.54

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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.