Home / 12,012,234.81-18,020,670.44-3,923,035.76

Finding the Fourth Proportional to 12,012,234.81, 18,020,670.44 and 3,923,035.76

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Solution

The fourth proportional to 12,012,234.81, 18,020,670.44 and 3,923,035.76 is: 5,885,310.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,012,234.81 : 18,020,670.44 = 3,923,035.76 : x
  2. Step 2: Convert to fraction form
    12,012,234.81/18,020,670.44 = 3,923,035.76/x
  3. Step 3: Cross multiply
    12,012,234.81x = 18,020,670.44 × 3,923,035.76
  4. Step 4: Simplify right side
    12,012,234.81x = 70,695,734,445,576.39
  5. Step 5: Solve for x
    x = 70,695,734,445,576.39/12,012,234.81
  6. Step 6: Final answer
    x = 5,885,310.73

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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.