Home / 12,381,667.31-17,086,700.90-6,949,159.31

Finding the Fourth Proportional to 12,381,667.31, 17,086,700.90 and 6,949,159.31

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Solution

The fourth proportional to 12,381,667.31, 17,086,700.90 and 6,949,159.31 is: 9,589,839.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,381,667.31 : 17,086,700.90 = 6,949,159.31 : x
  2. Step 2: Convert to fraction form
    12,381,667.31/17,086,700.90 = 6,949,159.31/x
  3. Step 3: Cross multiply
    12,381,667.31x = 17,086,700.90 × 6,949,159.31
  4. Step 4: Simplify right side
    12,381,667.31x = 118,738,206,696,510.03
  5. Step 5: Solve for x
    x = 118,738,206,696,510.03/12,381,667.31
  6. Step 6: Final answer
    x = 9,589,839.86

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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.