Home / 12,540,018.32-17,305,404.62-9,394,708.94

Finding the Fourth Proportional to 12,540,018.32, 17,305,404.62 and 9,394,708.94

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Solution

The fourth proportional to 12,540,018.32, 17,305,404.62 and 9,394,708.94 is: 12,964,832.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,540,018.32 : 17,305,404.62 = 9,394,708.94 : x
  2. Step 2: Convert to fraction form
    12,540,018.32/17,305,404.62 = 9,394,708.94/x
  3. Step 3: Cross multiply
    12,540,018.32x = 17,305,404.62 × 9,394,708.94
  4. Step 4: Simplify right side
    12,540,018.32x = 162,579,239,493,831.31
  5. Step 5: Solve for x
    x = 162,579,239,493,831.31/12,540,018.32
  6. Step 6: Final answer
    x = 12,964,832.69

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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.