Home / 13,887,210.92-19,163,505.64-7,691,890.36

Finding the Fourth Proportional to 13,887,210.92, 19,163,505.64 and 7,691,890.36

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Solution

The fourth proportional to 13,887,210.92, 19,163,505.64 and 7,691,890.36 is: 10,614,340.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,887,210.92 : 19,163,505.64 = 7,691,890.36 : x
  2. Step 2: Convert to fraction form
    13,887,210.92/19,163,505.64 = 7,691,890.36/x
  3. Step 3: Cross multiply
    13,887,210.92x = 19,163,505.64 × 7,691,890.36
  4. Step 4: Simplify right side
    13,887,210.92x = 147,403,584,296,121.66
  5. Step 5: Solve for x
    x = 147,403,584,296,121.66/13,887,210.92
  6. Step 6: Final answer
    x = 10,614,340.43

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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.