Home / 12,193,179.41-18,289,769.13-4,105,477.78

Finding the Fourth Proportional to 12,193,179.41, 18,289,769.13 and 4,105,477.78

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Solution

The fourth proportional to 12,193,179.41, 18,289,769.13 and 4,105,477.78 is: 6,158,216.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,193,179.41 : 18,289,769.13 = 4,105,477.78 : x
  2. Step 2: Convert to fraction form
    12,193,179.41/18,289,769.13 = 4,105,477.78/x
  3. Step 3: Cross multiply
    12,193,179.41x = 18,289,769.13 × 4,105,477.78
  4. Step 4: Simplify right side
    12,193,179.41x = 75,088,240,718,820.50
  5. Step 5: Solve for x
    x = 75,088,240,718,820.50/12,193,179.41
  6. Step 6: Final answer
    x = 6,158,216.67

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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.