Home / 28,044,384-38,701,249.92-15,167,328

Finding the Fourth Proportional to 28,044,384, 38,701,249.92 and 15,167,328

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Solution

The fourth proportional to 28,044,384, 38,701,249.92 and 15,167,328 is: 20,930,912.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,044,384 : 38,701,249.92 = 15,167,328 : x
  2. Step 2: Convert to fraction form
    28,044,384/38,701,249.92 = 15,167,328/x
  3. Step 3: Cross multiply
    28,044,384x = 38,701,249.92 × 15,167,328
  4. Step 4: Simplify right side
    28,044,384x = 586,994,551,546,613.75
  5. Step 5: Solve for x
    x = 586,994,551,546,613.75/28,044,384
  6. Step 6: Final answer
    x = 20,930,912.64

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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.