Home / 12,119,778.81-18,179,548.40-5,552,624.96

Finding the Fourth Proportional to 12,119,778.81, 18,179,548.40 and 5,552,624.96

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Solution

The fourth proportional to 12,119,778.81, 18,179,548.40 and 5,552,624.96 is: 8,328,882.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,119,778.81 : 18,179,548.40 = 5,552,624.96 : x
  2. Step 2: Convert to fraction form
    12,119,778.81/18,179,548.40 = 5,552,624.96/x
  3. Step 3: Cross multiply
    12,119,778.81x = 18,179,548.40 × 5,552,624.96
  4. Step 4: Simplify right side
    12,119,778.81x = 100,944,214,130,351.89
  5. Step 5: Solve for x
    x = 100,944,214,130,351.89/12,119,778.81
  6. Step 6: Final answer
    x = 8,328,882.54

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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.