Home / 12,606,429.92-18,915,549.80-6,213,197.12

Finding the Fourth Proportional to 12,606,429.92, 18,915,549.80 and 6,213,197.12

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Solution

The fourth proportional to 12,606,429.92, 18,915,549.80 and 6,213,197.12 is: 9,322,705.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,606,429.92 : 18,915,549.80 = 6,213,197.12 : x
  2. Step 2: Convert to fraction form
    12,606,429.92/18,915,549.80 = 6,213,197.12/x
  3. Step 3: Cross multiply
    12,606,429.92x = 18,915,549.80 × 6,213,197.12
  4. Step 4: Simplify right side
    12,606,429.92x = 117,526,039,414,932.86
  5. Step 5: Solve for x
    x = 117,526,039,414,932.86/12,606,429.92
  6. Step 6: Final answer
    x = 9,322,705.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.