Home / 7,149,013.23-9,865,704.31-3,885,835.64

Finding the Fourth Proportional to 7,149,013.23, 9,865,704.31 and 3,885,835.64

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Solution

The fourth proportional to 7,149,013.23, 9,865,704.31 and 3,885,835.64 is: 5,362,489.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,149,013.23 : 9,865,704.31 = 3,885,835.64 : x
  2. Step 2: Convert to fraction form
    7,149,013.23/9,865,704.31 = 3,885,835.64/x
  3. Step 3: Cross multiply
    7,149,013.23x = 9,865,704.31 × 3,885,835.64
  4. Step 4: Simplify right side
    7,149,013.23x = 38,336,505,384,739.53
  5. Step 5: Solve for x
    x = 38,336,505,384,739.53/7,149,013.23
  6. Step 6: Final answer
    x = 5,362,489.08

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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.