Home / 38,419,277.79-57,632,953.74-12,513,596.43

Finding the Fourth Proportional to 38,419,277.79, 57,632,953.74 and 12,513,596.43

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Solution

The fourth proportional to 38,419,277.79, 57,632,953.74 and 12,513,596.43 is: 18,771,709.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,419,277.79 : 57,632,953.74 = 12,513,596.43 : x
  2. Step 2: Convert to fraction form
    38,419,277.79/57,632,953.74 = 12,513,596.43/x
  3. Step 3: Cross multiply
    38,419,277.79x = 57,632,953.74 × 12,513,596.43
  4. Step 4: Simplify right side
    38,419,277.79x = 721,195,524,171,219.12
  5. Step 5: Solve for x
    x = 721,195,524,171,219.12/38,419,277.79
  6. Step 6: Final answer
    x = 18,771,709.56

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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.