Home / 12,233,022.60-18,363,530.70-7,187,176.20

Finding the Fourth Proportional to 12,233,022.60, 18,363,530.70 and 7,187,176.20

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Solution

The fourth proportional to 12,233,022.60, 18,363,530.70 and 7,187,176.20 is: 10,788,987.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,233,022.60 : 18,363,530.70 = 7,187,176.20 : x
  2. Step 2: Convert to fraction form
    12,233,022.60/18,363,530.70 = 7,187,176.20/x
  3. Step 3: Cross multiply
    12,233,022.60x = 18,363,530.70 × 7,187,176.20
  4. Step 4: Simplify right side
    12,233,022.60x = 131,981,930,795,009.34
  5. Step 5: Solve for x
    x = 131,981,930,795,009.34/12,233,022.60
  6. Step 6: Final answer
    x = 10,788,987.74

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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.