Home / 9,206,360.63-12,704,778.50-5,131,979.63

Finding the Fourth Proportional to 9,206,360.63, 12,704,778.50 and 5,131,979.63

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Solution

The fourth proportional to 9,206,360.63, 12,704,778.50 and 5,131,979.63 is: 7,082,132.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,206,360.63 : 12,704,778.50 = 5,131,979.63 : x
  2. Step 2: Convert to fraction form
    9,206,360.63/12,704,778.50 = 5,131,979.63/x
  3. Step 3: Cross multiply
    9,206,360.63x = 12,704,778.50 × 5,131,979.63
  4. Step 4: Simplify right side
    9,206,360.63x = 65,200,664,376,478.16
  5. Step 5: Solve for x
    x = 65,200,664,376,478.16/9,206,360.63
  6. Step 6: Final answer
    x = 7,082,132.35

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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.