Home / 10,881,605.80-16,322,408.70-9,705,874.60

Finding the Fourth Proportional to 10,881,605.80, 16,322,408.70 and 9,705,874.60

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Solution

The fourth proportional to 10,881,605.80, 16,322,408.70 and 9,705,874.60 is: 14,558,811.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,881,605.80 : 16,322,408.70 = 9,705,874.60 : x
  2. Step 2: Convert to fraction form
    10,881,605.80/16,322,408.70 = 9,705,874.60/x
  3. Step 3: Cross multiply
    10,881,605.80x = 16,322,408.70 × 9,705,874.60
  4. Step 4: Simplify right side
    10,881,605.80x = 158,423,252,012,149
  5. Step 5: Solve for x
    x = 158,423,252,012,149/10,881,605.80
  6. Step 6: Final answer
    x = 14,558,811.90

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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.