Home / 13,687,601.58-18,887,598.10-8,179,879.91

Finding the Fourth Proportional to 13,687,601.58, 18,887,598.10 and 8,179,879.91

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Solution

The fourth proportional to 13,687,601.58, 18,887,598.10 and 8,179,879.91 is: 11,287,462.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,687,601.58 : 18,887,598.10 = 8,179,879.91 : x
  2. Step 2: Convert to fraction form
    13,687,601.58/18,887,598.10 = 8,179,879.91/x
  3. Step 3: Cross multiply
    13,687,601.58x = 18,887,598.10 × 8,179,879.91
  4. Step 4: Simplify right side
    13,687,601.58x = 154,498,284,273,113.47
  5. Step 5: Solve for x
    x = 154,498,284,273,113.47/13,687,601.58
  6. Step 6: Final answer
    x = 11,287,462.11

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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.