Home / 20,571,696.60-30,857,544.90-17,237,347.80

Finding the Fourth Proportional to 20,571,696.60, 30,857,544.90 and 17,237,347.80

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Solution

The fourth proportional to 20,571,696.60, 30,857,544.90 and 17,237,347.80 is: 25,856,021.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,571,696.60 : 30,857,544.90 = 17,237,347.80 : x
  2. Step 2: Convert to fraction form
    20,571,696.60/30,857,544.90 = 17,237,347.80/x
  3. Step 3: Cross multiply
    20,571,696.60x = 30,857,544.90 × 17,237,347.80
  4. Step 4: Simplify right side
    20,571,696.60x = 531,902,233,695,416.19
  5. Step 5: Solve for x
    x = 531,902,233,695,416.19/20,571,696.60
  6. Step 6: Final answer
    x = 25,856,021.70

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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.