Home / 7,769,182.72-10,723,539.90-4,589,395.78

Finding the Fourth Proportional to 7,769,182.72, 10,723,539.90 and 4,589,395.78

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Solution

The fourth proportional to 7,769,182.72, 10,723,539.90 and 4,589,395.78 is: 6,334,587.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769,182.72 : 10,723,539.90 = 4,589,395.78 : x
  2. Step 2: Convert to fraction form
    7,769,182.72/10,723,539.90 = 4,589,395.78/x
  3. Step 3: Cross multiply
    7,769,182.72x = 10,723,539.90 × 4,589,395.78
  4. Step 4: Simplify right side
    7,769,182.72x = 49,214,568,763,721.62
  5. Step 5: Solve for x
    x = 49,214,568,763,721.62/7,769,182.72
  6. Step 6: Final answer
    x = 6,334,587.63

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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.