Home / 13,900,500.35-20,850,750.53-9,365,537.15

Finding the Fourth Proportional to 13,900,500.35, 20,850,750.53 and 9,365,537.15

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Solution

The fourth proportional to 13,900,500.35, 20,850,750.53 and 9,365,537.15 is: 14,048,305.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,900,500.35 : 20,850,750.53 = 9,365,537.15 : x
  2. Step 2: Convert to fraction form
    13,900,500.35/20,850,750.53 = 9,365,537.15/x
  3. Step 3: Cross multiply
    13,900,500.35x = 20,850,750.53 × 9,365,537.15
  4. Step 4: Simplify right side
    13,900,500.35x = 195,278,478,647,269.50
  5. Step 5: Solve for x
    x = 195,278,478,647,269.50/13,900,500.35
  6. Step 6: Final answer
    x = 14,048,305.73

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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.