Home / 18,982,270.58-28,478,259.39-5,519,098.58

Finding the Fourth Proportional to 18,982,270.58, 28,478,259.39 and 5,519,098.58

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Solution

The fourth proportional to 18,982,270.58, 28,478,259.39 and 5,519,098.58 is: 8,280,059.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,982,270.58 : 28,478,259.39 = 5,519,098.58 : x
  2. Step 2: Convert to fraction form
    18,982,270.58/28,478,259.39 = 5,519,098.58/x
  3. Step 3: Cross multiply
    18,982,270.58x = 28,478,259.39 × 5,519,098.58
  4. Step 4: Simplify right side
    18,982,270.58x = 157,174,320,960,220.66
  5. Step 5: Solve for x
    x = 157,174,320,960,220.66/18,982,270.58
  6. Step 6: Final answer
    x = 8,280,059.03

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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.