Home / 15,841,015.22-21,858,103.92-9,226,692.21

Finding the Fourth Proportional to 15,841,015.22, 21,858,103.92 and 9,226,692.21

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Solution

The fourth proportional to 15,841,015.22, 21,858,103.92 and 9,226,692.21 is: 12,731,380.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,841,015.22 : 21,858,103.92 = 9,226,692.21 : x
  2. Step 2: Convert to fraction form
    15,841,015.22/21,858,103.92 = 9,226,692.21/x
  3. Step 3: Cross multiply
    15,841,015.22x = 21,858,103.92 × 9,226,692.21
  4. Step 4: Simplify right side
    15,841,015.22x = 201,677,997,164,034.50
  5. Step 5: Solve for x
    x = 201,677,997,164,034.50/15,841,015.22
  6. Step 6: Final answer
    x = 12,731,380.81

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1.5x scale

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.