Home / 13,972,288.17-20,957,231.63-8,505,964.20

Finding the Fourth Proportional to 13,972,288.17, 20,957,231.63 and 8,505,964.20

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Solution

The fourth proportional to 13,972,288.17, 20,957,231.63 and 8,505,964.20 is: 12,758,215.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972,288.17 : 20,957,231.63 = 8,505,964.20 : x
  2. Step 2: Convert to fraction form
    13,972,288.17/20,957,231.63 = 8,505,964.20/x
  3. Step 3: Cross multiply
    13,972,288.17x = 20,957,231.63 × 8,505,964.20
  4. Step 4: Simplify right side
    13,972,288.17x = 178,261,461,919,203.94
  5. Step 5: Solve for x
    x = 178,261,461,919,203.94/13,972,288.17
  6. Step 6: Final answer
    x = 12,758,215.38

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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.