Home / 20,851,658.08-28,773,836.55-11,559,138.82

Finding the Fourth Proportional to 20,851,658.08, 28,773,836.55 and 11,559,138.82

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Solution

The fourth proportional to 20,851,658.08, 28,773,836.55 and 11,559,138.82 is: 15,950,806.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,851,658.08 : 28,773,836.55 = 11,559,138.82 : x
  2. Step 2: Convert to fraction form
    20,851,658.08/28,773,836.55 = 11,559,138.82/x
  3. Step 3: Cross multiply
    20,851,658.08x = 28,773,836.55 × 11,559,138.82
  4. Step 4: Simplify right side
    20,851,658.08x = 332,600,770,993,505.31
  5. Step 5: Solve for x
    x = 332,600,770,993,505.31/20,851,658.08
  6. Step 6: Final answer
    x = 15,950,806.87

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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.