Home / 10,022,174.42-13,830,868.68-5,438,499.44

Finding the Fourth Proportional to 10,022,174.42, 13,830,868.68 and 5,438,499.44

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Solution

The fourth proportional to 10,022,174.42, 13,830,868.68 and 5,438,499.44 is: 7,505,274.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,022,174.42 : 13,830,868.68 = 5,438,499.44 : x
  2. Step 2: Convert to fraction form
    10,022,174.42/13,830,868.68 = 5,438,499.44/x
  3. Step 3: Cross multiply
    10,022,174.42x = 13,830,868.68 × 5,438,499.44
  4. Step 4: Simplify right side
    10,022,174.42x = 75,219,171,570,893.55
  5. Step 5: Solve for x
    x = 75,219,171,570,893.55/10,022,174.42
  6. Step 6: Final answer
    x = 7,505,274.65

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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.