Home / 8,275,659.51-11,420,231.11-4,791,145.21

Finding the Fourth Proportional to 8,275,659.51, 11,420,231.11 and 4,791,145.21

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Solution

The fourth proportional to 8,275,659.51, 11,420,231.11 and 4,791,145.21 is: 6,611,676.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,275,659.51 : 11,420,231.11 = 4,791,145.21 : x
  2. Step 2: Convert to fraction form
    8,275,659.51/11,420,231.11 = 4,791,145.21/x
  3. Step 3: Cross multiply
    8,275,659.51x = 11,420,231.11 × 4,791,145.21
  4. Step 4: Simplify right side
    8,275,659.51x = 54,715,985,579,769.48
  5. Step 5: Solve for x
    x = 54,715,985,579,769.48/8,275,659.51
  6. Step 6: Final answer
    x = 6,611,676.75

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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.