Home / 18,686,375.60-25,782,318.20-10,947,257.60

Finding the Fourth Proportional to 18,686,375.60, 25,782,318.20 and 10,947,257.60

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Solution

The fourth proportional to 18,686,375.60, 25,782,318.20 and 10,947,257.60 is: 15,104,356.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,686,375.60 : 25,782,318.20 = 10,947,257.60 : x
  2. Step 2: Convert to fraction form
    18,686,375.60/25,782,318.20 = 10,947,257.60/x
  3. Step 3: Cross multiply
    18,686,375.60x = 25,782,318.20 × 10,947,257.60
  4. Step 4: Simplify right side
    18,686,375.60x = 282,245,678,860,568.31
  5. Step 5: Solve for x
    x = 282,245,678,860,568.31/18,686,375.60
  6. Step 6: Final answer
    x = 15,104,356.51

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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.