Home / 7,146,322.82-9,861,904.03-3,883,147.51

Finding the Fourth Proportional to 7,146,322.82, 9,861,904.03 and 3,883,147.51

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Solution

The fourth proportional to 7,146,322.82, 9,861,904.03 and 3,883,147.51 is: 5,358,731.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,146,322.82 : 9,861,904.03 = 3,883,147.51 : x
  2. Step 2: Convert to fraction form
    7,146,322.82/9,861,904.03 = 3,883,147.51/x
  3. Step 3: Cross multiply
    7,146,322.82x = 9,861,904.03 × 3,883,147.51
  4. Step 4: Simplify right side
    7,146,322.82x = 38,295,228,063,901.93
  5. Step 5: Solve for x
    x = 38,295,228,063,901.93/7,146,322.82
  6. Step 6: Final answer
    x = 5,358,731.90

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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.