Home / 13,531,115.69-20,301,185.43-9,000,027.53

Finding the Fourth Proportional to 13,531,115.69, 20,301,185.43 and 9,000,027.53

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Solution

The fourth proportional to 13,531,115.69, 20,301,185.43 and 9,000,027.53 is: 13,503,042.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,531,115.69 : 20,301,185.43 = 9,000,027.53 : x
  2. Step 2: Convert to fraction form
    13,531,115.69/20,301,185.43 = 9,000,027.53/x
  3. Step 3: Cross multiply
    13,531,115.69x = 20,301,185.43 × 9,000,027.53
  4. Step 4: Simplify right side
    13,531,115.69x = 182,711,227,660,128.97
  5. Step 5: Solve for x
    x = 182,711,227,660,128.97/13,531,115.69
  6. Step 6: Final answer
    x = 13,503,042.31

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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.