Home / 13,559,907.76-20,339,861.64-5,985,364.48

Finding the Fourth Proportional to 13,559,907.76, 20,339,861.64 and 5,985,364.48

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Solution

The fourth proportional to 13,559,907.76, 20,339,861.64 and 5,985,364.48 is: 8,978,046.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,559,907.76 : 20,339,861.64 = 5,985,364.48 : x
  2. Step 2: Convert to fraction form
    13,559,907.76/20,339,861.64 = 5,985,364.48/x
  3. Step 3: Cross multiply
    13,559,907.76x = 20,339,861.64 × 5,985,364.48
  4. Step 4: Simplify right side
    13,559,907.76x = 121,741,485,388,170.56
  5. Step 5: Solve for x
    x = 121,741,485,388,170.56/13,559,907.76
  6. Step 6: Final answer
    x = 8,978,046.72

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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.