Home / 13,751,146.24-18,975,471.02-7,950,301.88

Finding the Fourth Proportional to 13,751,146.24, 18,975,471.02 and 7,950,301.88

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Solution

The fourth proportional to 13,751,146.24, 18,975,471.02 and 7,950,301.88 is: 10,970,774.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,751,146.24 : 18,975,471.02 = 7,950,301.88 : x
  2. Step 2: Convert to fraction form
    13,751,146.24/18,975,471.02 = 7,950,301.88/x
  3. Step 3: Cross multiply
    13,751,146.24x = 18,975,471.02 × 7,950,301.88
  4. Step 4: Simplify right side
    13,751,146.24x = 150,860,722,864,096.72
  5. Step 5: Solve for x
    x = 150,860,722,864,096.72/13,751,146.24
  6. Step 6: Final answer
    x = 10,970,774.38

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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.