Home / 11,889,693.12-17,822,072.12-5,816,040.96

Finding the Fourth Proportional to 11,889,693.12, 17,822,072.12 and 5,816,040.96

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Solution

The fourth proportional to 11,889,693.12, 17,822,072.12 and 5,816,040.96 is: 8,717,962.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,889,693.12 : 17,822,072.12 = 5,816,040.96 : x
  2. Step 2: Convert to fraction form
    11,889,693.12/17,822,072.12 = 5,816,040.96/x
  3. Step 3: Cross multiply
    11,889,693.12x = 17,822,072.12 × 5,816,040.96
  4. Step 4: Simplify right side
    11,889,693.12x = 103,653,901,441,994.05
  5. Step 5: Solve for x
    x = 103,653,901,441,994.05/11,889,693.12
  6. Step 6: Final answer
    x = 8,717,962.73

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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.