Home / 31,180,588.20-46,745,999.10-13,214,917.80

Finding the Fourth Proportional to 31,180,588.20, 46,745,999.10 and 13,214,917.80

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Solution

The fourth proportional to 31,180,588.20, 46,745,999.10 and 13,214,917.80 is: 19,811,830.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,180,588.20 : 46,745,999.10 = 13,214,917.80 : x
  2. Step 2: Convert to fraction form
    31,180,588.20/46,745,999.10 = 13,214,917.80/x
  3. Step 3: Cross multiply
    31,180,588.20x = 46,745,999.10 × 13,214,917.80
  4. Step 4: Simplify right side
    31,180,588.20x = 617,744,535,585,374
  5. Step 5: Solve for x
    x = 617,744,535,585,374/31,180,588.20
  6. Step 6: Final answer
    x = 19,811,830.73

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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.