Home / 12,888,550.26-17,786,177.70-7,383,707.25

Finding the Fourth Proportional to 12,888,550.26, 17,786,177.70 and 7,383,707.25

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Solution

The fourth proportional to 12,888,550.26, 17,786,177.70 and 7,383,707.25 is: 10,189,503.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,888,550.26 : 17,786,177.70 = 7,383,707.25 : x
  2. Step 2: Convert to fraction form
    12,888,550.26/17,786,177.70 = 7,383,707.25/x
  3. Step 3: Cross multiply
    12,888,550.26x = 17,786,177.70 × 7,383,707.25
  4. Step 4: Simplify right side
    12,888,550.26x = 131,327,929,233,278.31
  5. Step 5: Solve for x
    x = 131,327,929,233,278.31/12,888,550.26
  6. Step 6: Final answer
    x = 10,189,503.60

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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.