Home / 12,204,185.88-16,840,663.44-7,241,772.18

Finding the Fourth Proportional to 12,204,185.88, 16,840,663.44 and 7,241,772.18

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Solution

The fourth proportional to 12,204,185.88, 16,840,663.44 and 7,241,772.18 is: 9,992,985.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,204,185.88 : 16,840,663.44 = 7,241,772.18 : x
  2. Step 2: Convert to fraction form
    12,204,185.88/16,840,663.44 = 7,241,772.18/x
  3. Step 3: Cross multiply
    12,204,185.88x = 16,840,663.44 × 7,241,772.18
  4. Step 4: Simplify right side
    12,204,185.88x = 121,956,247,992,535.11
  5. Step 5: Solve for x
    x = 121,956,247,992,535.11/12,204,185.88
  6. Step 6: Final answer
    x = 9,992,985.13

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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.