Home / 8,511,281.72-11,749,192.98-5,722,022.65

Finding the Fourth Proportional to 8,511,281.72, 11,749,192.98 and 5,722,022.65

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Solution

The fourth proportional to 8,511,281.72, 11,749,192.98 and 5,722,022.65 is: 7,898,827.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,511,281.72 : 11,749,192.98 = 5,722,022.65 : x
  2. Step 2: Convert to fraction form
    8,511,281.72/11,749,192.98 = 5,722,022.65/x
  3. Step 3: Cross multiply
    8,511,281.72x = 11,749,192.98 × 5,722,022.65
  4. Step 4: Simplify right side
    8,511,281.72x = 67,229,148,350,781.01
  5. Step 5: Solve for x
    x = 67,229,148,350,781.01/8,511,281.72
  6. Step 6: Final answer
    x = 7,898,827.76

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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.