Home / 18,725,659.30-28,089,266.55-5,945,803.30

Finding the Fourth Proportional to 18,725,659.30, 28,089,266.55 and 5,945,803.30

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Solution

The fourth proportional to 18,725,659.30, 28,089,266.55 and 5,945,803.30 is: 8,918,951.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,725,659.30 : 28,089,266.55 = 5,945,803.30 : x
  2. Step 2: Convert to fraction form
    18,725,659.30/28,089,266.55 = 5,945,803.30/x
  3. Step 3: Cross multiply
    18,725,659.30x = 28,089,266.55 × 5,945,803.30
  4. Step 4: Simplify right side
    18,725,659.30x = 167,013,253,747,569.62
  5. Step 5: Solve for x
    x = 167,013,253,747,569.62/18,725,659.30
  6. Step 6: Final answer
    x = 8,918,951.85

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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.