Home / 8,049,559.10-12,042,845.85-5,215,207.10

Finding the Fourth Proportional to 8,049,559.10, 12,042,845.85 and 5,215,207.10

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Solution

The fourth proportional to 8,049,559.10, 12,042,845.85 and 5,215,207.10 is: 7,802,406.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,049,559.10 : 12,042,845.85 = 5,215,207.10 : x
  2. Step 2: Convert to fraction form
    8,049,559.10/12,042,845.85 = 5,215,207.10/x
  3. Step 3: Cross multiply
    8,049,559.10x = 12,042,845.85 × 5,215,207.10
  4. Step 4: Simplify right side
    8,049,559.10x = 62,805,935,181,125.53
  5. Step 5: Solve for x
    x = 62,805,935,181,125.53/8,049,559.10
  6. Step 6: Final answer
    x = 7,802,406.86

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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.