Home / 28,377,282.19-39,160,648.73-15,324,540.03

Finding the Fourth Proportional to 28,377,282.19, 39,160,648.73 and 15,324,540.03

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Solution

The fourth proportional to 28,377,282.19, 39,160,648.73 and 15,324,540.03 is: 21,147,864.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,377,282.19 : 39,160,648.73 = 15,324,540.03 : x
  2. Step 2: Convert to fraction form
    28,377,282.19/39,160,648.73 = 15,324,540.03/x
  3. Step 3: Cross multiply
    28,377,282.19x = 39,160,648.73 × 15,324,540.03
  4. Step 4: Simplify right side
    28,377,282.19x = 600,118,929,063,653.62
  5. Step 5: Solve for x
    x = 600,118,929,063,653.62/28,377,282.19
  6. Step 6: Final answer
    x = 21,147,864.87

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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.