Home / 12,412,102.29-17,121,568.51-7,757,809.87

Finding the Fourth Proportional to 12,412,102.29, 17,121,568.51 and 7,757,809.87

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Solution

The fourth proportional to 12,412,102.29, 17,121,568.51 and 7,757,809.87 is: 10,701,319.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,412,102.29 : 17,121,568.51 = 7,757,809.87 : x
  2. Step 2: Convert to fraction form
    12,412,102.29/17,121,568.51 = 7,757,809.87/x
  3. Step 3: Cross multiply
    12,412,102.29x = 17,121,568.51 × 7,757,809.87
  4. Step 4: Simplify right side
    12,412,102.29x = 132,825,873,176,759.20
  5. Step 5: Solve for x
    x = 132,825,873,176,759.20/12,412,102.29
  6. Step 6: Final answer
    x = 10,701,319.57

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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.