Home / 12,357,654.10-18,536,481.15-11,853,769.30

Finding the Fourth Proportional to 12,357,654.10, 18,536,481.15 and 11,853,769.30

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Solution

The fourth proportional to 12,357,654.10, 18,536,481.15 and 11,853,769.30 is: 17,780,653.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,357,654.10 : 18,536,481.15 = 11,853,769.30 : x
  2. Step 2: Convert to fraction form
    12,357,654.10/18,536,481.15 = 11,853,769.30/x
  3. Step 3: Cross multiply
    12,357,654.10x = 18,536,481.15 × 11,853,769.30
  4. Step 4: Simplify right side
    12,357,654.10x = 219,727,171,185,898.69
  5. Step 5: Solve for x
    x = 219,727,171,185,898.69/12,357,654.10
  6. Step 6: Final answer
    x = 17,780,653.95

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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.