Home / 11,918,584.52-17,878,040.80-3,398,921.90

Finding the Fourth Proportional to 11,918,584.52, 17,878,040.80 and 3,398,921.90

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Solution

The fourth proportional to 11,918,584.52, 17,878,040.80 and 3,398,921.90 is: 5,098,429.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,918,584.52 : 17,878,040.80 = 3,398,921.90 : x
  2. Step 2: Convert to fraction form
    11,918,584.52/17,878,040.80 = 3,398,921.90/x
  3. Step 3: Cross multiply
    11,918,584.52x = 17,878,040.80 × 3,398,921.90
  4. Step 4: Simplify right side
    11,918,584.52x = 60,766,064,297,828.71
  5. Step 5: Solve for x
    x = 60,766,064,297,828.71/11,918,584.52
  6. Step 6: Final answer
    x = 5,098,429.62

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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.