Home / 30,813,979.92-42,522,769.40-17,062,648.80

Finding the Fourth Proportional to 30,813,979.92, 42,522,769.40 and 17,062,648.80

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Solution

The fourth proportional to 30,813,979.92, 42,522,769.40 and 17,062,648.80 is: 23,546,165.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,813,979.92 : 42,522,769.40 = 17,062,648.80 : x
  2. Step 2: Convert to fraction form
    30,813,979.92/42,522,769.40 = 17,062,648.80/x
  3. Step 3: Cross multiply
    30,813,979.92x = 42,522,769.40 × 17,062,648.80
  4. Step 4: Simplify right side
    30,813,979.92x = 725,551,080,275,586.75
  5. Step 5: Solve for x
    x = 725,551,080,275,586.75/30,813,979.92
  6. Step 6: Final answer
    x = 23,546,165.80

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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.