Home / 12,648,421.11-17,454,877.75-6,847,202.85

Finding the Fourth Proportional to 12,648,421.11, 17,454,877.75 and 6,847,202.85

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Solution

The fourth proportional to 12,648,421.11, 17,454,877.75 and 6,847,202.85 is: 9,449,170.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,648,421.11 : 17,454,877.75 = 6,847,202.85 : x
  2. Step 2: Convert to fraction form
    12,648,421.11/17,454,877.75 = 6,847,202.85/x
  3. Step 3: Cross multiply
    12,648,421.11x = 17,454,877.75 × 6,847,202.85
  4. Step 4: Simplify right side
    12,648,421.11x = 119,517,088,659,083.56
  5. Step 5: Solve for x
    x = 119,517,088,659,083.56/12,648,421.11
  6. Step 6: Final answer
    x = 9,449,170.58

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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.