Home / 31,180,827.29-46,770,453.61-8,461,134.05

Finding the Fourth Proportional to 31,180,827.29, 46,770,453.61 and 8,461,134.05

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Solution

The fourth proportional to 31,180,827.29, 46,770,453.61 and 8,461,134.05 is: 12,691,487.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,180,827.29 : 46,770,453.61 = 8,461,134.05 : x
  2. Step 2: Convert to fraction form
    31,180,827.29/46,770,453.61 = 8,461,134.05/x
  3. Step 3: Cross multiply
    31,180,827.29x = 46,770,453.61 × 8,461,134.05
  4. Step 4: Simplify right side
    31,180,827.29x = 395,731,077,318,511.31
  5. Step 5: Solve for x
    x = 395,731,077,318,511.31/31,180,827.29
  6. Step 6: Final answer
    x = 12,691,487.42

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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.