Home / 11,271,661.45-15,554,898.38-6,115,021.63

Finding the Fourth Proportional to 11,271,661.45, 15,554,898.38 and 6,115,021.63

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Solution

The fourth proportional to 11,271,661.45, 15,554,898.38 and 6,115,021.63 is: 8,438,732.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,271,661.45 : 15,554,898.38 = 6,115,021.63 : x
  2. Step 2: Convert to fraction form
    11,271,661.45/15,554,898.38 = 6,115,021.63/x
  3. Step 3: Cross multiply
    11,271,661.45x = 15,554,898.38 × 6,115,021.63
  4. Step 4: Simplify right side
    11,271,661.45x = 95,118,540,022,552.28
  5. Step 5: Solve for x
    x = 95,118,540,022,552.28/11,271,661.45
  6. Step 6: Final answer
    x = 8,438,732.88

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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.