Home / 20,433,233.58-28,198,082.24-11,140,727.53

Finding the Fourth Proportional to 20,433,233.58, 28,198,082.24 and 11,140,727.53

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Solution

The fourth proportional to 20,433,233.58, 28,198,082.24 and 11,140,727.53 is: 15,374,323.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,433,233.58 : 28,198,082.24 = 11,140,727.53 : x
  2. Step 2: Convert to fraction form
    20,433,233.58/28,198,082.24 = 11,140,727.53/x
  3. Step 3: Cross multiply
    20,433,233.58x = 28,198,082.24 × 11,140,727.53
  4. Step 4: Simplify right side
    20,433,233.58x = 314,147,151,104,372
  5. Step 5: Solve for x
    x = 314,147,151,104,372/20,433,233.58
  6. Step 6: Final answer
    x = 15,374,323.89

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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.