Home / 18,912,703.52-28,373,040.72-6,132,211.60

Finding the Fourth Proportional to 18,912,703.52, 28,373,040.72 and 6,132,211.60

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Solution

The fourth proportional to 18,912,703.52, 28,373,040.72 and 6,132,211.60 is: 9,199,609.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,912,703.52 : 28,373,040.72 = 6,132,211.60 : x
  2. Step 2: Convert to fraction form
    18,912,703.52/28,373,040.72 = 6,132,211.60/x
  3. Step 3: Cross multiply
    18,912,703.52x = 28,373,040.72 × 6,132,211.60
  4. Step 4: Simplify right side
    18,912,703.52x = 173,989,489,430,456.34
  5. Step 5: Solve for x
    x = 173,989,489,430,456.34/18,912,703.52
  6. Step 6: Final answer
    x = 9,199,609.63

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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.