Home / 10,661,489.62-15,992,221.46-3,473,011.78

Finding the Fourth Proportional to 10,661,489.62, 15,992,221.46 and 3,473,011.78

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Solution

The fourth proportional to 10,661,489.62, 15,992,221.46 and 3,473,011.78 is: 5,209,513.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,661,489.62 : 15,992,221.46 = 3,473,011.78 : x
  2. Step 2: Convert to fraction form
    10,661,489.62/15,992,221.46 = 3,473,011.78/x
  3. Step 3: Cross multiply
    10,661,489.62x = 15,992,221.46 × 3,473,011.78
  4. Step 4: Simplify right side
    10,661,489.62x = 55,541,173,461,603.19
  5. Step 5: Solve for x
    x = 55,541,173,461,603.19/10,661,489.62
  6. Step 6: Final answer
    x = 5,209,513.44

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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.