Home / 11,976,905.28-17,972,472.96-4,409,185.44

Finding the Fourth Proportional to 11,976,905.28, 17,972,472.96 and 4,409,185.44

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Solution

The fourth proportional to 11,976,905.28, 17,972,472.96 and 4,409,185.44 is: 6,616,397.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,976,905.28 : 17,972,472.96 = 4,409,185.44 : x
  2. Step 2: Convert to fraction form
    11,976,905.28/17,972,472.96 = 4,409,185.44/x
  3. Step 3: Cross multiply
    11,976,905.28x = 17,972,472.96 × 4,409,185.44
  4. Step 4: Simplify right side
    11,976,905.28x = 79,243,966,096,025.72
  5. Step 5: Solve for x
    x = 79,243,966,096,025.72/11,976,905.28
  6. Step 6: Final answer
    x = 6,616,397.50

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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.