Home / 12,129,337.20-16,738,718.32-6,622,930.38

Finding the Fourth Proportional to 12,129,337.20, 16,738,718.32 and 6,622,930.38

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Solution

The fourth proportional to 12,129,337.20, 16,738,718.32 and 6,622,930.38 is: 9,139,771.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,129,337.20 : 16,738,718.32 = 6,622,930.38 : x
  2. Step 2: Convert to fraction form
    12,129,337.20/16,738,718.32 = 6,622,930.38/x
  3. Step 3: Cross multiply
    12,129,337.20x = 16,738,718.32 × 6,622,930.38
  4. Step 4: Simplify right side
    12,129,337.20x = 110,859,366,083,790.56
  5. Step 5: Solve for x
    x = 110,859,366,083,790.56/12,129,337.20
  6. Step 6: Final answer
    x = 9,139,771.14

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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.