Home / 8,519,011.61-12,782,507.82-4,198,706.67

Finding the Fourth Proportional to 8,519,011.61, 12,782,507.82 and 4,198,706.67

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Solution

The fourth proportional to 8,519,011.61, 12,782,507.82 and 4,198,706.67 is: 6,300,026.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,519,011.61 : 12,782,507.82 = 4,198,706.67 : x
  2. Step 2: Convert to fraction form
    8,519,011.61/12,782,507.82 = 4,198,706.67/x
  3. Step 3: Cross multiply
    8,519,011.61x = 12,782,507.82 × 4,198,706.67
  4. Step 4: Simplify right side
    8,519,011.61x = 53,670,000,843,161.16
  5. Step 5: Solve for x
    x = 53,670,000,843,161.16/8,519,011.61
  6. Step 6: Final answer
    x = 6,300,026.73

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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.