Home / 19,780,234.20-29,646,731.70-8,265,679.20

Finding the Fourth Proportional to 19,780,234.20, 29,646,731.70 and 8,265,679.20

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Solution

The fourth proportional to 19,780,234.20, 29,646,731.70 and 8,265,679.20 is: 12,388,648.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,780,234.20 : 29,646,731.70 = 8,265,679.20 : x
  2. Step 2: Convert to fraction form
    19,780,234.20/29,646,731.70 = 8,265,679.20/x
  3. Step 3: Cross multiply
    19,780,234.20x = 29,646,731.70 × 8,265,679.20
  4. Step 4: Simplify right side
    19,780,234.20x = 245,050,373,560,670.62
  5. Step 5: Solve for x
    x = 245,050,373,560,670.62/19,780,234.20
  6. Step 6: Final answer
    x = 12,388,648.74

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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.