Home / 18,844,721.80-28,269,047.57-5,197,870.46

Finding the Fourth Proportional to 18,844,721.80, 28,269,047.57 and 5,197,870.46

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Solution

The fourth proportional to 18,844,721.80, 28,269,047.57 and 5,197,870.46 is: 7,797,347.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,844,721.80 : 28,269,047.57 = 5,197,870.46 : x
  2. Step 2: Convert to fraction form
    18,844,721.80/28,269,047.57 = 5,197,870.46/x
  3. Step 3: Cross multiply
    18,844,721.80x = 28,269,047.57 × 5,197,870.46
  4. Step 4: Simplify right side
    18,844,721.80x = 146,938,847,341,121.06
  5. Step 5: Solve for x
    x = 146,938,847,341,121.06/18,844,721.80
  6. Step 6: Final answer
    x = 7,797,347.66

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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.