Home / 13,663,752.37-18,855,976.92-7,468,823.97

Finding the Fourth Proportional to 13,663,752.37, 18,855,976.92 and 7,468,823.97

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Solution

The fourth proportional to 13,663,752.37, 18,855,976.92 and 7,468,823.97 is: 10,306,976.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,663,752.37 : 18,855,976.92 = 7,468,823.97 : x
  2. Step 2: Convert to fraction form
    13,663,752.37/18,855,976.92 = 7,468,823.97/x
  3. Step 3: Cross multiply
    13,663,752.37x = 18,855,976.92 × 7,468,823.97
  4. Step 4: Simplify right side
    13,663,752.37x = 140,831,972,496,580.75
  5. Step 5: Solve for x
    x = 140,831,972,496,580.75/13,663,752.37
  6. Step 6: Final answer
    x = 10,306,976.35

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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.