Home / 13,091,371.20-19,640,147.52-4,115,923.20

Finding the Fourth Proportional to 13,091,371.20, 19,640,147.52 and 4,115,923.20

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Solution

The fourth proportional to 13,091,371.20, 19,640,147.52 and 4,115,923.20 is: 6,174,856.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,091,371.20 : 19,640,147.52 = 4,115,923.20 : x
  2. Step 2: Convert to fraction form
    13,091,371.20/19,640,147.52 = 4,115,923.20/x
  3. Step 3: Cross multiply
    13,091,371.20x = 19,640,147.52 × 4,115,923.20
  4. Step 4: Simplify right side
    13,091,371.20x = 80,837,338,828,990.47
  5. Step 5: Solve for x
    x = 80,837,338,828,990.47/13,091,371.20
  6. Step 6: Final answer
    x = 6,174,856.52

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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.