Home / 10,722,939.12-14,797,986.84-6,140,736.72

Finding the Fourth Proportional to 10,722,939.12, 14,797,986.84 and 6,140,736.72

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Solution

The fourth proportional to 10,722,939.12, 14,797,986.84 and 6,140,736.72 is: 8,474,406.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,722,939.12 : 14,797,986.84 = 6,140,736.72 : x
  2. Step 2: Convert to fraction form
    10,722,939.12/14,797,986.84 = 6,140,736.72/x
  3. Step 3: Cross multiply
    10,722,939.12x = 14,797,986.84 × 6,140,736.72
  4. Step 4: Simplify right side
    10,722,939.12x = 90,870,541,170,464.77
  5. Step 5: Solve for x
    x = 90,870,541,170,464.77/10,722,939.12
  6. Step 6: Final answer
    x = 8,474,406.14

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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.