Home / 14,940,619.40-20,617,845.18-8,325,486.67

Finding the Fourth Proportional to 14,940,619.40, 20,617,845.18 and 8,325,486.67

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Solution

The fourth proportional to 14,940,619.40, 20,617,845.18 and 8,325,486.67 is: 11,489,054.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,940,619.40 : 20,617,845.18 = 8,325,486.67 : x
  2. Step 2: Convert to fraction form
    14,940,619.40/20,617,845.18 = 8,325,486.67/x
  3. Step 3: Cross multiply
    14,940,619.40x = 20,617,845.18 × 8,325,486.67
  4. Step 4: Simplify right side
    14,940,619.40x = 171,653,595,197,690.69
  5. Step 5: Solve for x
    x = 171,653,595,197,690.69/14,940,619.40
  6. Step 6: Final answer
    x = 11,489,054.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.