Home / 11,821,080.20-17,731,620.30-6,768,235.40

Finding the Fourth Proportional to 11,821,080.20, 17,731,620.30 and 6,768,235.40

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Solution

The fourth proportional to 11,821,080.20, 17,731,620.30 and 6,768,235.40 is: 10,152,353.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,821,080.20 : 17,731,620.30 = 6,768,235.40 : x
  2. Step 2: Convert to fraction form
    11,821,080.20/17,731,620.30 = 6,768,235.40/x
  3. Step 3: Cross multiply
    11,821,080.20x = 17,731,620.30 × 6,768,235.40
  4. Step 4: Simplify right side
    11,821,080.20x = 120,011,780,213,818.62
  5. Step 5: Solve for x
    x = 120,011,780,213,818.62/11,821,080.20
  6. Step 6: Final answer
    x = 10,152,353.10

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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.