Home / 11,909,840.22-16,435,587.61-6,682,126.72

Finding the Fourth Proportional to 11,909,840.22, 16,435,587.61 and 6,682,126.72

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Solution

The fourth proportional to 11,909,840.22, 16,435,587.61 and 6,682,126.72 is: 9,221,339.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,909,840.22 : 16,435,587.61 = 6,682,126.72 : x
  2. Step 2: Convert to fraction form
    11,909,840.22/16,435,587.61 = 6,682,126.72/x
  3. Step 3: Cross multiply
    11,909,840.22x = 16,435,587.61 × 6,682,126.72
  4. Step 4: Simplify right side
    11,909,840.22x = 109,824,679,127,681.94
  5. Step 5: Solve for x
    x = 109,824,679,127,681.94/11,909,840.22
  6. Step 6: Final answer
    x = 9,221,339.42

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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.