Home / 13,033,956.42-17,987,272.32-7,527,231.66

Finding the Fourth Proportional to 13,033,956.42, 17,987,272.32 and 7,527,231.66

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Solution

The fourth proportional to 13,033,956.42, 17,987,272.32 and 7,527,231.66 is: 10,387,817.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,033,956.42 : 17,987,272.32 = 7,527,231.66 : x
  2. Step 2: Convert to fraction form
    13,033,956.42/17,987,272.32 = 7,527,231.66/x
  3. Step 3: Cross multiply
    13,033,956.42x = 17,987,272.32 × 7,527,231.66
  4. Step 4: Simplify right side
    13,033,956.42x = 135,394,365,684,145.66
  5. Step 5: Solve for x
    x = 135,394,365,684,145.66/13,033,956.42
  6. Step 6: Final answer
    x = 10,387,817.89

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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.