Home / 12,279,624.94-18,415,451.73-4,080,065.11

Finding the Fourth Proportional to 12,279,624.94, 18,415,451.73 and 4,080,065.11

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Solution

The fourth proportional to 12,279,624.94, 18,415,451.73 and 4,080,065.11 is: 6,118,773.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,279,624.94 : 18,415,451.73 = 4,080,065.11 : x
  2. Step 2: Convert to fraction form
    12,279,624.94/18,415,451.73 = 4,080,065.11/x
  3. Step 3: Cross multiply
    12,279,624.94x = 18,415,451.73 × 4,080,065.11
  4. Step 4: Simplify right side
    12,279,624.94x = 75,136,242,046,246.53
  5. Step 5: Solve for x
    x = 75,136,242,046,246.53/12,279,624.94
  6. Step 6: Final answer
    x = 6,118,773.37

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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.