Home / 7,169,439.08-9,893,770.98-3,906,243.56

Finding the Fourth Proportional to 7,169,439.08, 9,893,770.98 and 3,906,243.56

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Solution

The fourth proportional to 7,169,439.08, 9,893,770.98 and 3,906,243.56 is: 5,390,586.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,169,439.08 : 9,893,770.98 = 3,906,243.56 : x
  2. Step 2: Convert to fraction form
    7,169,439.08/9,893,770.98 = 3,906,243.56/x
  3. Step 3: Cross multiply
    7,169,439.08x = 9,893,770.98 × 3,906,243.56
  4. Step 4: Simplify right side
    7,169,439.08x = 38,647,479,174,739.89
  5. Step 5: Solve for x
    x = 38,647,479,174,739.89/7,169,439.08
  6. Step 6: Final answer
    x = 5,390,586.17

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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.