Home / 13,619,718.92-18,795,420.63-7,424,769.26

Finding the Fourth Proportional to 13,619,718.92, 18,795,420.63 and 7,424,769.26

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Solution

The fourth proportional to 13,619,718.92, 18,795,420.63 and 7,424,769.26 is: 10,246,295.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,619,718.92 : 18,795,420.63 = 7,424,769.26 : x
  2. Step 2: Convert to fraction form
    13,619,718.92/18,795,420.63 = 7,424,769.26/x
  3. Step 3: Cross multiply
    13,619,718.92x = 18,795,420.63 × 7,424,769.26
  4. Step 4: Simplify right side
    13,619,718.92x = 139,551,661,322,393.83
  5. Step 5: Solve for x
    x = 139,551,661,322,393.83/13,619,718.92
  6. Step 6: Final answer
    x = 10,246,295.25

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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.