Home / 28,540,436.48-39,385,829.28-16,317,549.44

Finding the Fourth Proportional to 28,540,436.48, 39,385,829.28 and 16,317,549.44

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Solution

The fourth proportional to 28,540,436.48, 39,385,829.28 and 16,317,549.44 is: 22,518,233.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,540,436.48 : 39,385,829.28 = 16,317,549.44 : x
  2. Step 2: Convert to fraction form
    28,540,436.48/39,385,829.28 = 16,317,549.44/x
  3. Step 3: Cross multiply
    28,540,436.48x = 39,385,829.28 × 16,317,549.44
  4. Step 4: Simplify right side
    28,540,436.48x = 642,680,216,511,799.62
  5. Step 5: Solve for x
    x = 642,680,216,511,799.62/28,540,436.48
  6. Step 6: Final answer
    x = 22,518,233.63

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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.