Home / 18,940,449.86-28,411,204.12-6,160,954.61

Finding the Fourth Proportional to 18,940,449.86, 28,411,204.12 and 6,160,954.61

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Solution

The fourth proportional to 18,940,449.86, 28,411,204.12 and 6,160,954.61 is: 9,241,604.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,940,449.86 : 28,411,204.12 = 6,160,954.61 : x
  2. Step 2: Convert to fraction form
    18,940,449.86/28,411,204.12 = 6,160,954.61/x
  3. Step 3: Cross multiply
    18,940,449.86x = 28,411,204.12 × 6,160,954.61
  4. Step 4: Simplify right side
    18,940,449.86x = 175,040,138,947,848.59
  5. Step 5: Solve for x
    x = 175,040,138,947,848.59/18,940,449.86
  6. Step 6: Final answer
    x = 9,241,604.10

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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.