Home / 33,013,610.40-49,520,415.60-20,920,375.20

Finding the Fourth Proportional to 33,013,610.40, 49,520,415.60 and 20,920,375.20

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Solution

The fourth proportional to 33,013,610.40, 49,520,415.60 and 20,920,375.20 is: 31,380,562.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,013,610.40 : 49,520,415.60 = 20,920,375.20 : x
  2. Step 2: Convert to fraction form
    33,013,610.40/49,520,415.60 = 20,920,375.20/x
  3. Step 3: Cross multiply
    33,013,610.40x = 49,520,415.60 × 20,920,375.20
  4. Step 4: Simplify right side
    33,013,610.40x = 1,035,985,674,411,933.12
  5. Step 5: Solve for x
    x = 1,035,985,674,411,933.12/33,013,610.40
  6. Step 6: Final answer
    x = 31,380,562.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.