Home / 13,077,021.92-19,616,270.58-3,979,415.93

Finding the Fourth Proportional to 13,077,021.92, 19,616,270.58 and 3,979,415.93

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Solution

The fourth proportional to 13,077,021.92, 19,616,270.58 and 3,979,415.93 is: 5,969,348.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,077,021.92 : 19,616,270.58 = 3,979,415.93 : x
  2. Step 2: Convert to fraction form
    13,077,021.92/19,616,270.58 = 3,979,415.93/x
  3. Step 3: Cross multiply
    13,077,021.92x = 19,616,270.58 × 3,979,415.93
  4. Step 4: Simplify right side
    13,077,021.92x = 78,061,299,535,160.97
  5. Step 5: Solve for x
    x = 78,061,299,535,160.97/13,077,021.92
  6. Step 6: Final answer
    x = 5,969,348.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.