Home / 7,261,478.29-10,893,399.54-2,144,425.78

Finding the Fourth Proportional to 7,261,478.29, 10,893,399.54 and 2,144,425.78

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Solution

The fourth proportional to 7,261,478.29, 10,893,399.54 and 2,144,425.78 is: 3,216,987.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261,478.29 : 10,893,399.54 = 2,144,425.78 : x
  2. Step 2: Convert to fraction form
    7,261,478.29/10,893,399.54 = 2,144,425.78/x
  3. Step 3: Cross multiply
    7,261,478.29x = 10,893,399.54 × 2,144,425.78
  4. Step 4: Simplify right side
    7,261,478.29x = 23,360,086,805,416.14
  5. Step 5: Solve for x
    x = 23,360,086,805,416.14/7,261,478.29
  6. Step 6: Final answer
    x = 3,216,987.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.