Home / 15,237,065.72-21,027,757.22-8,361,793.84

Finding the Fourth Proportional to 15,237,065.72, 21,027,757.22 and 8,361,793.84

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Solution

The fourth proportional to 15,237,065.72, 21,027,757.22 and 8,361,793.84 is: 11,539,608.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,237,065.72 : 21,027,757.22 = 8,361,793.84 : x
  2. Step 2: Convert to fraction form
    15,237,065.72/21,027,757.22 = 8,361,793.84/x
  3. Step 3: Cross multiply
    15,237,065.72x = 21,027,757.22 × 8,361,793.84
  4. Step 4: Simplify right side
    15,237,065.72x = 175,829,770,791,211.50
  5. Step 5: Solve for x
    x = 175,829,770,791,211.50/15,237,065.72
  6. Step 6: Final answer
    x = 11,539,608.35

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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.