Home / 17,138,642.38-23,651,761.46-9,403,682.65

Finding the Fourth Proportional to 17,138,642.38, 23,651,761.46 and 9,403,682.65

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Solution

The fourth proportional to 17,138,642.38, 23,651,761.46 and 9,403,682.65 is: 12,977,320.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,138,642.38 : 23,651,761.46 = 9,403,682.65 : x
  2. Step 2: Convert to fraction form
    17,138,642.38/23,651,761.46 = 9,403,682.65/x
  3. Step 3: Cross multiply
    17,138,642.38x = 23,651,761.46 × 9,403,682.65
  4. Step 4: Simplify right side
    17,138,642.38x = 222,413,658,777,192.84
  5. Step 5: Solve for x
    x = 222,413,658,777,192.84/17,138,642.38
  6. Step 6: Final answer
    x = 12,977,320.72

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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.