Home / 28,473,408.62-42,717,393.21-8,278,650.62

Finding the Fourth Proportional to 28,473,408.62, 42,717,393.21 and 8,278,650.62

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Solution

The fourth proportional to 28,473,408.62, 42,717,393.21 and 8,278,650.62 is: 12,420,092.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,473,408.62 : 42,717,393.21 = 8,278,650.62 : x
  2. Step 2: Convert to fraction form
    28,473,408.62/42,717,393.21 = 8,278,650.62/x
  3. Step 3: Cross multiply
    28,473,408.62x = 42,717,393.21 × 8,278,650.62
  4. Step 4: Simplify right side
    28,473,408.62x = 353,642,373,782,750.31
  5. Step 5: Solve for x
    x = 353,642,373,782,750.31/28,473,408.62
  6. Step 6: Final answer
    x = 12,420,092.67

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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.