Home / 11,021,015.93-16,515,824.19-8,119,564.94

Finding the Fourth Proportional to 11,021,015.93, 16,515,824.19 and 8,119,564.94

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Solution

The fourth proportional to 11,021,015.93, 16,515,824.19 and 8,119,564.94 is: 12,167,780.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,021,015.93 : 16,515,824.19 = 8,119,564.94 : x
  2. Step 2: Convert to fraction form
    11,021,015.93/16,515,824.19 = 8,119,564.94/x
  3. Step 3: Cross multiply
    11,021,015.93x = 16,515,824.19 × 8,119,564.94
  4. Step 4: Simplify right side
    11,021,015.93x = 134,101,307,089,617.45
  5. Step 5: Solve for x
    x = 134,101,307,089,617.45/11,021,015.93
  6. Step 6: Final answer
    x = 12,167,780.90

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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.