Home / 30,752,201.38-42,438,114.21-16,814,455.85

Finding the Fourth Proportional to 30,752,201.38, 42,438,114.21 and 16,814,455.85

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Solution

The fourth proportional to 30,752,201.38, 42,438,114.21 and 16,814,455.85 is: 23,203,990.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,752,201.38 : 42,438,114.21 = 16,814,455.85 : x
  2. Step 2: Convert to fraction form
    30,752,201.38/42,438,114.21 = 16,814,455.85/x
  3. Step 3: Cross multiply
    30,752,201.38x = 42,438,114.21 × 16,814,455.85
  4. Step 4: Simplify right side
    30,752,201.38x = 713,573,797,743,791.38
  5. Step 5: Solve for x
    x = 713,573,797,743,791.38/30,752,201.38
  6. Step 6: Final answer
    x = 23,203,990.79

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1.5x scale

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.