Home / 20,865,562.22-28,797,923.88-11,576,125.15

Finding the Fourth Proportional to 20,865,562.22, 28,797,923.88 and 11,576,125.15

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Solution

The fourth proportional to 20,865,562.22, 28,797,923.88 and 11,576,125.15 is: 15,976,965.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,865,562.22 : 28,797,923.88 = 11,576,125.15 : x
  2. Step 2: Convert to fraction form
    20,865,562.22/28,797,923.88 = 11,576,125.15/x
  3. Step 3: Cross multiply
    20,865,562.22x = 28,797,923.88 × 11,576,125.15
  4. Step 4: Simplify right side
    20,865,562.22x = 333,368,370,823,058.81
  5. Step 5: Solve for x
    x = 333,368,370,823,058.81/20,865,562.22
  6. Step 6: Final answer
    x = 15,976,965.65

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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.