Home / 12,122,028.48-16,728,753.94-6,615,756.52

Finding the Fourth Proportional to 12,122,028.48, 16,728,753.94 and 6,615,756.52

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Solution

The fourth proportional to 12,122,028.48, 16,728,753.94 and 6,615,756.52 is: 9,129,937.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,122,028.48 : 16,728,753.94 = 6,615,756.52 : x
  2. Step 2: Convert to fraction form
    12,122,028.48/16,728,753.94 = 6,615,756.52/x
  3. Step 3: Cross multiply
    12,122,028.48x = 16,728,753.94 × 6,615,756.52
  4. Step 4: Simplify right side
    12,122,028.48x = 110,673,362,891,669.41
  5. Step 5: Solve for x
    x = 110,673,362,891,669.41/12,122,028.48
  6. Step 6: Final answer
    x = 9,129,937.54

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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.