Home / 10,790,745.60-16,186,118.40-8,381,546.40

Finding the Fourth Proportional to 10,790,745.60, 16,186,118.40 and 8,381,546.40

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Solution

The fourth proportional to 10,790,745.60, 16,186,118.40 and 8,381,546.40 is: 12,572,319.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,790,745.60 : 16,186,118.40 = 8,381,546.40 : x
  2. Step 2: Convert to fraction form
    10,790,745.60/16,186,118.40 = 8,381,546.40/x
  3. Step 3: Cross multiply
    10,790,745.60x = 16,186,118.40 × 8,381,546.40
  4. Step 4: Simplify right side
    10,790,745.60x = 135,664,702,405,493.77
  5. Step 5: Solve for x
    x = 135,664,702,405,493.77/10,790,745.60
  6. Step 6: Final answer
    x = 12,572,319.60

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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.