Home / 18,718,794.04-28,060,253.70-7,921,241.56

Finding the Fourth Proportional to 18,718,794.04, 28,060,253.70 and 7,921,241.56

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Solution

The fourth proportional to 18,718,794.04, 28,060,253.70 and 7,921,241.56 is: 11,874,271.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,718,794.04 : 28,060,253.70 = 7,921,241.56 : x
  2. Step 2: Convert to fraction form
    18,718,794.04/28,060,253.70 = 7,921,241.56/x
  3. Step 3: Cross multiply
    18,718,794.04x = 28,060,253.70 × 7,921,241.56
  4. Step 4: Simplify right side
    18,718,794.04x = 222,272,047,792,583.75
  5. Step 5: Solve for x
    x = 222,272,047,792,583.75/18,718,794.04
  6. Step 6: Final answer
    x = 11,874,271.78

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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.