Home / 18,817,311.21-25,969,454.61-10,445,468.94

Finding the Fourth Proportional to 18,817,311.21, 25,969,454.61 and 10,445,468.94

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Solution

The fourth proportional to 18,817,311.21, 25,969,454.61 and 10,445,468.94 is: 14,415,615.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,817,311.21 : 25,969,454.61 = 10,445,468.94 : x
  2. Step 2: Convert to fraction form
    18,817,311.21/25,969,454.61 = 10,445,468.94/x
  3. Step 3: Cross multiply
    18,817,311.21x = 25,969,454.61 × 10,445,468.94
  4. Step 4: Simplify right side
    18,817,311.21x = 271,263,131,517,494.78
  5. Step 5: Solve for x
    x = 271,263,131,517,494.78/18,817,311.21
  6. Step 6: Final answer
    x = 14,415,615.94

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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.