Home / 8,517,528-12,769,993.44-5,150,986.56

Finding the Fourth Proportional to 8,517,528, 12,769,993.44 and 5,150,986.56

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Solution

The fourth proportional to 8,517,528, 12,769,993.44 and 5,150,986.56 is: 7,722,670.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,517,528 : 12,769,993.44 = 5,150,986.56 : x
  2. Step 2: Convert to fraction form
    8,517,528/12,769,993.44 = 5,150,986.56/x
  3. Step 3: Cross multiply
    8,517,528x = 12,769,993.44 × 5,150,986.56
  4. Step 4: Simplify right side
    8,517,528x = 65,778,064,580,728.16
  5. Step 5: Solve for x
    x = 65,778,064,580,728.16/8,517,528
  6. Step 6: Final answer
    x = 7,722,670.78

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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.