Home / 13,782,020.90-20,672,891.17-3,546,840.89

Finding the Fourth Proportional to 13,782,020.90, 20,672,891.17 and 3,546,840.89

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Solution

The fourth proportional to 13,782,020.90, 20,672,891.17 and 3,546,840.89 is: 5,320,225.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,782,020.90 : 20,672,891.17 = 3,546,840.89 : x
  2. Step 2: Convert to fraction form
    13,782,020.90/20,672,891.17 = 3,546,840.89/x
  3. Step 3: Cross multiply
    13,782,020.90x = 20,672,891.17 × 3,546,840.89
  4. Step 4: Simplify right side
    13,782,020.90x = 73,323,455,759,091.06
  5. Step 5: Solve for x
    x = 73,323,455,759,091.06/13,782,020.90
  6. Step 6: Final answer
    x = 5,320,225.26

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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.