Home / 13,580,628.48-18,741,423.60-7,469,159.04

Finding the Fourth Proportional to 13,580,628.48, 18,741,423.60 and 7,469,159.04

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Solution

The fourth proportional to 13,580,628.48, 18,741,423.60 and 7,469,159.04 is: 10,307,525.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,580,628.48 : 18,741,423.60 = 7,469,159.04 : x
  2. Step 2: Convert to fraction form
    13,580,628.48/18,741,423.60 = 7,469,159.04/x
  3. Step 3: Cross multiply
    13,580,628.48x = 18,741,423.60 × 7,469,159.04
  4. Step 4: Simplify right side
    13,580,628.48x = 139,982,673,504,409.36
  5. Step 5: Solve for x
    x = 139,982,673,504,409.36/13,580,628.48
  6. Step 6: Final answer
    x = 10,307,525.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.