Home / 12,272,939.52-16,936,675.20-6,840,314.88

Finding the Fourth Proportional to 12,272,939.52, 16,936,675.20 and 6,840,314.88

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Solution

The fourth proportional to 12,272,939.52, 16,936,675.20 and 6,840,314.88 is: 9,439,644.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,272,939.52 : 16,936,675.20 = 6,840,314.88 : x
  2. Step 2: Convert to fraction form
    12,272,939.52/16,936,675.20 = 6,840,314.88/x
  3. Step 3: Cross multiply
    12,272,939.52x = 16,936,675.20 × 6,840,314.88
  4. Step 4: Simplify right side
    12,272,939.52x = 115,852,191,388,286.97
  5. Step 5: Solve for x
    x = 115,852,191,388,286.97/12,272,939.52
  6. Step 6: Final answer
    x = 9,439,644.94

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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.