Home / 28,393,377-39,182,860.44-16,171,371.24

Finding the Fourth Proportional to 28,393,377, 39,182,860.44 and 16,171,371.24

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Solution

The fourth proportional to 28,393,377, 39,182,860.44 and 16,171,371.24 is: 22,316,492.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,393,377 : 39,182,860.44 = 16,171,371.24 : x
  2. Step 2: Convert to fraction form
    28,393,377/39,182,860.44 = 16,171,371.24/x
  3. Step 3: Cross multiply
    28,393,377x = 39,182,860.44 × 16,171,371.24
  4. Step 4: Simplify right side
    28,393,377x = 633,640,582,420,349.75
  5. Step 5: Solve for x
    x = 633,640,582,420,349.75/28,393,377
  6. Step 6: Final answer
    x = 22,316,492.41

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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.