Home / 10,649,448.70-15,957,918.21-6,322,979.22

Finding the Fourth Proportional to 10,649,448.70, 15,957,918.21 and 6,322,979.22

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Solution

The fourth proportional to 10,649,448.70, 15,957,918.21 and 6,322,979.22 is: 9,474,817.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,649,448.70 : 15,957,918.21 = 6,322,979.22 : x
  2. Step 2: Convert to fraction form
    10,649,448.70/15,957,918.21 = 6,322,979.22/x
  3. Step 3: Cross multiply
    10,649,448.70x = 15,957,918.21 × 6,322,979.22
  4. Step 4: Simplify right side
    10,649,448.70x = 100,901,585,236,289.59
  5. Step 5: Solve for x
    x = 100,901,585,236,289.59/10,649,448.70
  6. Step 6: Final answer
    x = 9,474,817.72

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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.