Home / 13,306,952.94-18,370,906.64-8,664,783

Finding the Fourth Proportional to 13,306,952.94, 18,370,906.64 and 8,664,783

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Solution

The fourth proportional to 13,306,952.94, 18,370,906.64 and 8,664,783 is: 11,962,161.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306,952.94 : 18,370,906.64 = 8,664,783 : x
  2. Step 2: Convert to fraction form
    13,306,952.94/18,370,906.64 = 8,664,783/x
  3. Step 3: Cross multiply
    13,306,952.94x = 18,370,906.64 × 8,664,783
  4. Step 4: Simplify right side
    13,306,952.94x = 159,179,919,548,859.12
  5. Step 5: Solve for x
    x = 159,179,919,548,859.12/13,306,952.94
  6. Step 6: Final answer
    x = 11,962,161.46

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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.