Home / 13,856,379.40-19,121,201.58-7,576,791.22

Finding the Fourth Proportional to 13,856,379.40, 19,121,201.58 and 7,576,791.22

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Solution

The fourth proportional to 13,856,379.40, 19,121,201.58 and 7,576,791.22 is: 10,455,642.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,856,379.40 : 19,121,201.58 = 7,576,791.22 : x
  2. Step 2: Convert to fraction form
    13,856,379.40/19,121,201.58 = 7,576,791.22/x
  3. Step 3: Cross multiply
    13,856,379.40x = 19,121,201.58 × 7,576,791.22
  4. Step 4: Simplify right side
    13,856,379.40x = 144,877,352,247,194.09
  5. Step 5: Solve for x
    x = 144,877,352,247,194.09/13,856,379.40
  6. Step 6: Final answer
    x = 10,455,642.71

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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.