Home / 13,486,409.30-18,612,949.28-8,844,099.95

Finding the Fourth Proportional to 13,486,409.30, 18,612,949.28 and 8,844,099.95

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Solution

The fourth proportional to 13,486,409.30, 18,612,949.28 and 8,844,099.95 is: 12,205,975.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486,409.30 : 18,612,949.28 = 8,844,099.95 : x
  2. Step 2: Convert to fraction form
    13,486,409.30/18,612,949.28 = 8,844,099.95/x
  3. Step 3: Cross multiply
    13,486,409.30x = 18,612,949.28 × 8,844,099.95
  4. Step 4: Simplify right side
    13,486,409.30x = 164,614,783,798,912.41
  5. Step 5: Solve for x
    x = 164,614,783,798,912.41/13,486,409.30
  6. Step 6: Final answer
    x = 12,205,975.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.