Home / 8,160,720.65-11,261,794.41-4,489,558.43

Finding the Fourth Proportional to 8,160,720.65, 11,261,794.41 and 4,489,558.43

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Solution

The fourth proportional to 8,160,720.65, 11,261,794.41 and 4,489,558.43 is: 6,195,590.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160,720.65 : 11,261,794.41 = 4,489,558.43 : x
  2. Step 2: Convert to fraction form
    8,160,720.65/11,261,794.41 = 4,489,558.43/x
  3. Step 3: Cross multiply
    8,160,720.65x = 11,261,794.41 × 4,489,558.43
  4. Step 4: Simplify right side
    8,160,720.65x = 50,560,484,007,894.58
  5. Step 5: Solve for x
    x = 50,560,484,007,894.58/8,160,720.65
  6. Step 6: Final answer
    x = 6,195,590.59

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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.