Home / 20,190,629.55-27,862,925.04-11,023,272.30

Finding the Fourth Proportional to 20,190,629.55, 27,862,925.04 and 11,023,272.30

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Solution

The fourth proportional to 20,190,629.55, 27,862,925.04 and 11,023,272.30 is: 15,212,037.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,190,629.55 : 27,862,925.04 = 11,023,272.30 : x
  2. Step 2: Convert to fraction form
    20,190,629.55/27,862,925.04 = 11,023,272.30/x
  3. Step 3: Cross multiply
    20,190,629.55x = 27,862,925.04 × 11,023,272.30
  4. Step 4: Simplify right side
    20,190,629.55x = 307,140,609,790,408.38
  5. Step 5: Solve for x
    x = 307,140,609,790,408.38/20,190,629.55
  6. Step 6: Final answer
    x = 15,212,037.30

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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.