Home / 15,148,962.82-20,905,591.89-8,622,592.24

Finding the Fourth Proportional to 15,148,962.82, 20,905,591.89 and 8,622,592.24

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Solution

The fourth proportional to 15,148,962.82, 20,905,591.89 and 8,622,592.24 is: 11,899,190.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,148,962.82 : 20,905,591.89 = 8,622,592.24 : x
  2. Step 2: Convert to fraction form
    15,148,962.82/20,905,591.89 = 8,622,592.24/x
  3. Step 3: Cross multiply
    15,148,962.82x = 20,905,591.89 × 8,622,592.24
  4. Step 4: Simplify right side
    15,148,962.82x = 180,260,394,403,320.94
  5. Step 5: Solve for x
    x = 180,260,394,403,320.94/15,148,962.82
  6. Step 6: Final answer
    x = 11,899,190.50

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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.