Home / 11,177,351.80-16,766,027.70-7,776,129.40

Finding the Fourth Proportional to 11,177,351.80, 16,766,027.70 and 7,776,129.40

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Solution

The fourth proportional to 11,177,351.80, 16,766,027.70 and 7,776,129.40 is: 11,664,194.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177,351.80 : 16,766,027.70 = 7,776,129.40 : x
  2. Step 2: Convert to fraction form
    11,177,351.80/16,766,027.70 = 7,776,129.40/x
  3. Step 3: Cross multiply
    11,177,351.80x = 16,766,027.70 × 7,776,129.40
  4. Step 4: Simplify right side
    11,177,351.80x = 130,374,800,919,184.38
  5. Step 5: Solve for x
    x = 130,374,800,919,184.38/11,177,351.80
  6. Step 6: Final answer
    x = 11,664,194.10

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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.