Home / 40,874,860.73-61,324,125.56-12,121,688.30

Finding the Fourth Proportional to 40,874,860.73, 61,324,125.56 and 12,121,688.30

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Solution

The fourth proportional to 40,874,860.73, 61,324,125.56 and 12,121,688.30 is: 18,186,042.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,874,860.73 : 61,324,125.56 = 12,121,688.30 : x
  2. Step 2: Convert to fraction form
    40,874,860.73/61,324,125.56 = 12,121,688.30/x
  3. Step 3: Cross multiply
    40,874,860.73x = 61,324,125.56 × 12,121,688.30
  4. Step 4: Simplify right side
    40,874,860.73x = 743,351,934,941,153.88
  5. Step 5: Solve for x
    x = 743,351,934,941,153.88/40,874,860.73
  6. Step 6: Final answer
    x = 18,186,042.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.