Home / 20,269,355.98-30,452,538.25-12,997,063.80

Finding the Fourth Proportional to 20,269,355.98, 30,452,538.25 and 12,997,063.80

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Solution

The fourth proportional to 20,269,355.98, 30,452,538.25 and 12,997,063.80 is: 19,526,697.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,269,355.98 : 30,452,538.25 = 12,997,063.80 : x
  2. Step 2: Convert to fraction form
    20,269,355.98/30,452,538.25 = 12,997,063.80/x
  3. Step 3: Cross multiply
    20,269,355.98x = 30,452,538.25 × 12,997,063.80
  4. Step 4: Simplify right side
    20,269,355.98x = 395,793,582,507,190.38
  5. Step 5: Solve for x
    x = 395,793,582,507,190.38/20,269,355.98
  6. Step 6: Final answer
    x = 19,526,697.49

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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.