Home / 12,122,034.53-16,728,762.31-6,615,762.56

Finding the Fourth Proportional to 12,122,034.53, 16,728,762.31 and 6,615,762.56

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Solution

The fourth proportional to 12,122,034.53, 16,728,762.31 and 6,615,762.56 is: 9,129,945.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,122,034.53 : 16,728,762.31 = 6,615,762.56 : x
  2. Step 2: Convert to fraction form
    12,122,034.53/16,728,762.31 = 6,615,762.56/x
  3. Step 3: Cross multiply
    12,122,034.53x = 16,728,762.31 × 6,615,762.56
  4. Step 4: Simplify right side
    12,122,034.53x = 110,673,519,265,453.89
  5. Step 5: Solve for x
    x = 110,673,519,265,453.89/12,122,034.53
  6. Step 6: Final answer
    x = 9,129,945.88

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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.