Home / 14,561,609.20-21,856,410.60-7,381,250.80

Finding the Fourth Proportional to 14,561,609.20, 21,856,410.60 and 7,381,250.80

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Solution

The fourth proportional to 14,561,609.20, 21,856,410.60 and 7,381,250.80 is: 11,078,971.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,561,609.20 : 21,856,410.60 = 7,381,250.80 : x
  2. Step 2: Convert to fraction form
    14,561,609.20/21,856,410.60 = 7,381,250.80/x
  3. Step 3: Cross multiply
    14,561,609.20x = 21,856,410.60 × 7,381,250.80
  4. Step 4: Simplify right side
    14,561,609.20x = 161,327,648,226,378.50
  5. Step 5: Solve for x
    x = 161,327,648,226,378.50/14,561,609.20
  6. Step 6: Final answer
    x = 11,078,971.15

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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.