Home / 10,043,668.78-15,056,656.75-3,982,660.72

Finding the Fourth Proportional to 10,043,668.78, 15,056,656.75 and 3,982,660.72

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Solution

The fourth proportional to 10,043,668.78, 15,056,656.75 and 3,982,660.72 is: 5,970,483.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,043,668.78 : 15,056,656.75 = 3,982,660.72 : x
  2. Step 2: Convert to fraction form
    10,043,668.78/15,056,656.75 = 3,982,660.72/x
  3. Step 3: Cross multiply
    10,043,668.78x = 15,056,656.75 × 3,982,660.72
  4. Step 4: Simplify right side
    10,043,668.78x = 59,965,555,412,747.86
  5. Step 5: Solve for x
    x = 59,965,555,412,747.86/10,043,668.78
  6. Step 6: Final answer
    x = 5,970,483.17

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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.