Home / 12,950,420.20-19,425,630.30-3,973,805.80

Finding the Fourth Proportional to 12,950,420.20, 19,425,630.30 and 3,973,805.80

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Solution

The fourth proportional to 12,950,420.20, 19,425,630.30 and 3,973,805.80 is: 5,960,708.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,950,420.20 : 19,425,630.30 = 3,973,805.80 : x
  2. Step 2: Convert to fraction form
    12,950,420.20/19,425,630.30 = 3,973,805.80/x
  3. Step 3: Cross multiply
    12,950,420.20x = 19,425,630.30 × 3,973,805.80
  4. Step 4: Simplify right side
    12,950,420.20x = 77,193,682,354,795.73
  5. Step 5: Solve for x
    x = 77,193,682,354,795.73/12,950,420.20
  6. Step 6: Final answer
    x = 5,960,708.70

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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.