Home / 13,856,160.72-19,120,730.49-7,660,849.26

Finding the Fourth Proportional to 13,856,160.72, 19,120,730.49 and 7,660,849.26

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Solution

The fourth proportional to 13,856,160.72, 19,120,730.49 and 7,660,849.26 is: 10,571,545.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,856,160.72 : 19,120,730.49 = 7,660,849.26 : x
  2. Step 2: Convert to fraction form
    13,856,160.72/19,120,730.49 = 7,660,849.26/x
  3. Step 3: Cross multiply
    13,856,160.72x = 19,120,730.49 × 7,660,849.26
  4. Step 4: Simplify right side
    13,856,160.72x = 146,481,034,024,975.91
  5. Step 5: Solve for x
    x = 146,481,034,024,975.91/13,856,160.72
  6. Step 6: Final answer
    x = 10,571,545.54

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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.