Home / 8,211,742.92-12,316,822.74-2,530,441.80

Finding the Fourth Proportional to 8,211,742.92, 12,316,822.74 and 2,530,441.80

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Solution

The fourth proportional to 8,211,742.92, 12,316,822.74 and 2,530,441.80 is: 3,795,418.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,211,742.92 : 12,316,822.74 = 2,530,441.80 : x
  2. Step 2: Convert to fraction form
    8,211,742.92/12,316,822.74 = 2,530,441.80/x
  3. Step 3: Cross multiply
    8,211,742.92x = 12,316,822.74 × 2,530,441.80
  4. Step 4: Simplify right side
    8,211,742.92x = 31,167,003,104,486.53
  5. Step 5: Solve for x
    x = 31,167,003,104,486.53/8,211,742.92
  6. Step 6: Final answer
    x = 3,795,418.76

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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.