Home / 8,917,318.89-12,305,972.39-4,842,967.05

Finding the Fourth Proportional to 8,917,318.89, 12,305,972.39 and 4,842,967.05

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Solution

The fourth proportional to 8,917,318.89, 12,305,972.39 and 4,842,967.05 is: 6,683,333.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,917,318.89 : 12,305,972.39 = 4,842,967.05 : x
  2. Step 2: Convert to fraction form
    8,917,318.89/12,305,972.39 = 4,842,967.05/x
  3. Step 3: Cross multiply
    8,917,318.89x = 12,305,972.39 × 4,842,967.05
  4. Step 4: Simplify right side
    8,917,318.89x = 59,597,418,802,979.75
  5. Step 5: Solve for x
    x = 59,597,418,802,979.75/8,917,318.89
  6. Step 6: Final answer
    x = 6,683,333.81

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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.