Home / 8,288,459.31-12,434,679.81-3,170,805.51

Finding the Fourth Proportional to 8,288,459.31, 12,434,679.81 and 3,170,805.51

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Solution

The fourth proportional to 8,288,459.31, 12,434,679.81 and 3,170,805.51 is: 4,756,969.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,288,459.31 : 12,434,679.81 = 3,170,805.51 : x
  2. Step 2: Convert to fraction form
    8,288,459.31/12,434,679.81 = 3,170,805.51/x
  3. Step 3: Cross multiply
    8,288,459.31x = 12,434,679.81 × 3,170,805.51
  4. Step 4: Simplify right side
    8,288,459.31x = 39,427,951,256,633.75
  5. Step 5: Solve for x
    x = 39,427,951,256,633.75/8,288,459.31
  6. Step 6: Final answer
    x = 4,756,969.88

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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.