Home / 9,120,192.39-13,672,562.09-3,998,740.95

Finding the Fourth Proportional to 9,120,192.39, 13,672,562.09 and 3,998,740.95

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Solution

The fourth proportional to 9,120,192.39, 13,672,562.09 and 3,998,740.95 is: 5,994,723.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,120,192.39 : 13,672,562.09 = 3,998,740.95 : x
  2. Step 2: Convert to fraction form
    9,120,192.39/13,672,562.09 = 3,998,740.95/x
  3. Step 3: Cross multiply
    9,120,192.39x = 13,672,562.09 × 3,998,740.95
  4. Step 4: Simplify right side
    9,120,192.39x = 54,673,033,900,706.89
  5. Step 5: Solve for x
    x = 54,673,033,900,706.89/9,120,192.39
  6. Step 6: Final answer
    x = 5,994,723.75

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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.