Home / 15,113,324.22-20,856,393.03-8,586,962.25

Finding the Fourth Proportional to 15,113,324.22, 20,856,393.03 and 8,586,962.25

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Solution

The fourth proportional to 15,113,324.22, 20,856,393.03 and 8,586,962.25 is: 11,850,011.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,113,324.22 : 20,856,393.03 = 8,586,962.25 : x
  2. Step 2: Convert to fraction form
    15,113,324.22/20,856,393.03 = 8,586,962.25/x
  3. Step 3: Cross multiply
    15,113,324.22x = 20,856,393.03 × 8,586,962.25
  4. Step 4: Simplify right side
    15,113,324.22x = 179,093,059,619,773.12
  5. Step 5: Solve for x
    x = 179,093,059,619,773.12/15,113,324.22
  6. Step 6: Final answer
    x = 11,850,011.09

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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.