Home / 11,909,836.22-16,435,582.09-6,682,122.72

Finding the Fourth Proportional to 11,909,836.22, 16,435,582.09 and 6,682,122.72

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Solution

The fourth proportional to 11,909,836.22, 16,435,582.09 and 6,682,122.72 is: 9,221,333.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,909,836.22 : 16,435,582.09 = 6,682,122.72 : x
  2. Step 2: Convert to fraction form
    11,909,836.22/16,435,582.09 = 6,682,122.72/x
  3. Step 3: Cross multiply
    11,909,836.22x = 16,435,582.09 × 6,682,122.72
  4. Step 4: Simplify right side
    11,909,836.22x = 109,824,576,534,038.44
  5. Step 5: Solve for x
    x = 109,824,576,534,038.44/11,909,836.22
  6. Step 6: Final answer
    x = 9,221,333.90

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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.