Home / 18,844,722.80-28,269,049.07-5,197,871.46

Finding the Fourth Proportional to 18,844,722.80, 28,269,049.07 and 5,197,871.46

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Solution

The fourth proportional to 18,844,722.80, 28,269,049.07 and 5,197,871.46 is: 7,797,349.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,844,722.80 : 28,269,049.07 = 5,197,871.46 : x
  2. Step 2: Convert to fraction form
    18,844,722.80/28,269,049.07 = 5,197,871.46/x
  3. Step 3: Cross multiply
    18,844,722.80x = 28,269,049.07 × 5,197,871.46
  4. Step 4: Simplify right side
    18,844,722.80x = 146,938,883,362,292.53
  5. Step 5: Solve for x
    x = 146,938,883,362,292.53/18,844,722.80
  6. Step 6: Final answer
    x = 7,797,349.15

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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.