Home / 11,311,898.50-15,610,288.71-6,155,171.20

Finding the Fourth Proportional to 11,311,898.50, 15,610,288.71 and 6,155,171.20

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Solution

The fourth proportional to 11,311,898.50, 15,610,288.71 and 6,155,171.20 is: 8,494,064.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,311,898.50 : 15,610,288.71 = 6,155,171.20 : x
  2. Step 2: Convert to fraction form
    11,311,898.50/15,610,288.71 = 6,155,171.20/x
  3. Step 3: Cross multiply
    11,311,898.50x = 15,610,288.71 × 6,155,171.20
  4. Step 4: Simplify right side
    11,311,898.50x = 96,083,999,491,477.16
  5. Step 5: Solve for x
    x = 96,083,999,491,477.16/11,311,898.50
  6. Step 6: Final answer
    x = 8,494,064.85

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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.