Home / 12,888,533.43-17,786,154.42-7,383,690.36

Finding the Fourth Proportional to 12,888,533.43, 17,786,154.42 and 7,383,690.36

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Solution

The fourth proportional to 12,888,533.43, 17,786,154.42 and 7,383,690.36 is: 10,189,480.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,888,533.43 : 17,786,154.42 = 7,383,690.36 : x
  2. Step 2: Convert to fraction form
    12,888,533.43/17,786,154.42 = 7,383,690.36/x
  3. Step 3: Cross multiply
    12,888,533.43x = 17,786,154.42 × 7,383,690.36
  4. Step 4: Simplify right side
    12,888,533.43x = 131,327,456,932,425.41
  5. Step 5: Solve for x
    x = 131,327,456,932,425.41/12,888,533.43
  6. Step 6: Final answer
    x = 10,189,480.26

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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.