Home / 12,120,537.21-18,183,692.66-4,547,568.57

Finding the Fourth Proportional to 12,120,537.21, 18,183,692.66 and 4,547,568.57

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Solution

The fourth proportional to 12,120,537.21, 18,183,692.66 and 4,547,568.57 is: 6,822,435.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,120,537.21 : 18,183,692.66 = 4,547,568.57 : x
  2. Step 2: Convert to fraction form
    12,120,537.21/18,183,692.66 = 4,547,568.57/x
  3. Step 3: Cross multiply
    12,120,537.21x = 18,183,692.66 × 4,547,568.57
  4. Step 4: Simplify right side
    12,120,537.21x = 82,691,589,204,417.86
  5. Step 5: Solve for x
    x = 82,691,589,204,417.86/12,120,537.21
  6. Step 6: Final answer
    x = 6,822,435.98

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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.