Home / 11,221,979.30-16,806,249.25-7,165,903.49

Finding the Fourth Proportional to 11,221,979.30, 16,806,249.25 and 7,165,903.49

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Solution

The fourth proportional to 11,221,979.30, 16,806,249.25 and 7,165,903.49 is: 10,731,793.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,221,979.30 : 16,806,249.25 = 7,165,903.49 : x
  2. Step 2: Convert to fraction form
    11,221,979.30/16,806,249.25 = 7,165,903.49/x
  3. Step 3: Cross multiply
    11,221,979.30x = 16,806,249.25 × 7,165,903.49
  4. Step 4: Simplify right side
    11,221,979.30x = 120,431,960,154,384.89
  5. Step 5: Solve for x
    x = 120,431,960,154,384.89/11,221,979.30
  6. Step 6: Final answer
    x = 10,731,793.11

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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.