Home / 11,510,336.40-15,880,491.88-8,203,151.58

Finding the Fourth Proportional to 11,510,336.40, 15,880,491.88 and 8,203,151.58

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Solution

The fourth proportional to 11,510,336.40, 15,880,491.88 and 8,203,151.58 is: 11,317,660.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,510,336.40 : 15,880,491.88 = 8,203,151.58 : x
  2. Step 2: Convert to fraction form
    11,510,336.40/15,880,491.88 = 8,203,151.58/x
  3. Step 3: Cross multiply
    11,510,336.40x = 15,880,491.88 × 8,203,151.58
  4. Step 4: Simplify right side
    11,510,336.40x = 130,270,082,056,599.17
  5. Step 5: Solve for x
    x = 130,270,082,056,599.17/11,510,336.40
  6. Step 6: Final answer
    x = 11,317,660.71

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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.