Home / 12,129,246.65-16,738,593.43-6,622,839.75

Finding the Fourth Proportional to 12,129,246.65, 16,738,593.43 and 6,622,839.75

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Solution

The fourth proportional to 12,129,246.65, 16,738,593.43 and 6,622,839.75 is: 9,139,646.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,129,246.65 : 16,738,593.43 = 6,622,839.75 : x
  2. Step 2: Convert to fraction form
    12,129,246.65/16,738,593.43 = 6,622,839.75/x
  3. Step 3: Cross multiply
    12,129,246.65x = 16,738,593.43 × 6,622,839.75
  4. Step 4: Simplify right side
    12,129,246.65x = 110,857,021,843,599.88
  5. Step 5: Solve for x
    x = 110,857,021,843,599.88/12,129,246.65
  6. Step 6: Final answer
    x = 9,139,646.10

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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.