Home / 13,296,021.03-18,348,789.76-7,494,801.23

Finding the Fourth Proportional to 13,296,021.03, 18,348,789.76 and 7,494,801.23

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Solution

The fourth proportional to 13,296,021.03, 18,348,789.76 and 7,494,801.23 is: 10,342,983.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296,021.03 : 18,348,789.76 = 7,494,801.23 : x
  2. Step 2: Convert to fraction form
    13,296,021.03/18,348,789.76 = 7,494,801.23/x
  3. Step 3: Cross multiply
    13,296,021.03x = 18,348,789.76 × 7,494,801.23
  4. Step 4: Simplify right side
    13,296,021.03x = 137,520,532,089,394.38
  5. Step 5: Solve for x
    x = 137,520,532,089,394.38/13,296,021.03
  6. Step 6: Final answer
    x = 10,342,983.95

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Double scale
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1.5x scale

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.