Home / 13,661,263.09-18,852,561.44-7,859,928.48

Finding the Fourth Proportional to 13,661,263.09, 18,852,561.44 and 7,859,928.48

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Solution

The fourth proportional to 13,661,263.09, 18,852,561.44 and 7,859,928.48 is: 10,846,711.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,661,263.09 : 18,852,561.44 = 7,859,928.48 : x
  2. Step 2: Convert to fraction form
    13,661,263.09/18,852,561.44 = 7,859,928.48/x
  3. Step 3: Cross multiply
    13,661,263.09x = 18,852,561.44 × 7,859,928.48
  4. Step 4: Simplify right side
    13,661,263.09x = 148,179,784,583,205.84
  5. Step 5: Solve for x
    x = 148,179,784,583,205.84/13,661,263.09
  6. Step 6: Final answer
    x = 10,846,711.87

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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.