Home / 12,134,474.70-18,201,712.05-3,498,558.45

Finding the Fourth Proportional to 12,134,474.70, 18,201,712.05 and 3,498,558.45

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Solution

The fourth proportional to 12,134,474.70, 18,201,712.05 and 3,498,558.45 is: 5,247,837.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,134,474.70 : 18,201,712.05 = 3,498,558.45 : x
  2. Step 2: Convert to fraction form
    12,134,474.70/18,201,712.05 = 3,498,558.45/x
  3. Step 3: Cross multiply
    12,134,474.70x = 18,201,712.05 × 3,498,558.45
  4. Step 4: Simplify right side
    12,134,474.70x = 63,679,753,496,994.33
  5. Step 5: Solve for x
    x = 63,679,753,496,994.33/12,134,474.70
  6. Step 6: Final answer
    x = 5,247,837.68

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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.