Home / 12,563,764.70-18,845,647.05-11,288,306.30

Finding the Fourth Proportional to 12,563,764.70, 18,845,647.05 and 11,288,306.30

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Solution

The fourth proportional to 12,563,764.70, 18,845,647.05 and 11,288,306.30 is: 16,932,459.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,563,764.70 : 18,845,647.05 = 11,288,306.30 : x
  2. Step 2: Convert to fraction form
    12,563,764.70/18,845,647.05 = 11,288,306.30/x
  3. Step 3: Cross multiply
    12,563,764.70x = 18,845,647.05 × 11,288,306.30
  4. Step 4: Simplify right side
    12,563,764.70x = 212,735,436,322,091.44
  5. Step 5: Solve for x
    x = 212,735,436,322,091.44/12,563,764.70
  6. Step 6: Final answer
    x = 16,932,459.45

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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.