Home / 13,570,174.56-18,726,985.44-7,375,221.12

Finding the Fourth Proportional to 13,570,174.56, 18,726,985.44 and 7,375,221.12

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Solution

The fourth proportional to 13,570,174.56, 18,726,985.44 and 7,375,221.12 is: 10,177,883.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,570,174.56 : 18,726,985.44 = 7,375,221.12 : x
  2. Step 2: Convert to fraction form
    13,570,174.56/18,726,985.44 = 7,375,221.12/x
  3. Step 3: Cross multiply
    13,570,174.56x = 18,726,985.44 × 7,375,221.12
  4. Step 4: Simplify right side
    13,570,174.56x = 138,115,658,531,020.50
  5. Step 5: Solve for x
    x = 138,115,658,531,020.50/13,570,174.56
  6. Step 6: Final answer
    x = 10,177,883.71

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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.