Home / 12,531,789.09-18,797,946.08-4,012,100.96

Finding the Fourth Proportional to 12,531,789.09, 18,797,946.08 and 4,012,100.96

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Solution

The fourth proportional to 12,531,789.09, 18,797,946.08 and 4,012,100.96 is: 6,018,235.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,531,789.09 : 18,797,946.08 = 4,012,100.96 : x
  2. Step 2: Convert to fraction form
    12,531,789.09/18,797,946.08 = 4,012,100.96/x
  3. Step 3: Cross multiply
    12,531,789.09x = 18,797,946.08 × 4,012,100.96
  4. Step 4: Simplify right side
    12,531,789.09x = 75,419,257,399,546
  5. Step 5: Solve for x
    x = 75,419,257,399,546/12,531,789.09
  6. Step 6: Final answer
    x = 6,018,235.45

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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.