Home / 31,180,834.54-46,770,464.48-8,461,141.30

Finding the Fourth Proportional to 31,180,834.54, 46,770,464.48 and 8,461,141.30

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Solution

The fourth proportional to 31,180,834.54, 46,770,464.48 and 8,461,141.30 is: 12,691,498.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,180,834.54 : 46,770,464.48 = 8,461,141.30 : x
  2. Step 2: Convert to fraction form
    31,180,834.54/46,770,464.48 = 8,461,141.30/x
  3. Step 3: Cross multiply
    31,180,834.54x = 46,770,464.48 × 8,461,141.30
  4. Step 4: Simplify right side
    31,180,834.54x = 395,731,508,631,911
  5. Step 5: Solve for x
    x = 395,731,508,631,911/31,180,834.54
  6. Step 6: Final answer
    x = 12,691,498.30

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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.