Home / 19,159,021.40-28,738,532.10-17,080,496.60

Finding the Fourth Proportional to 19,159,021.40, 28,738,532.10 and 17,080,496.60

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Solution

The fourth proportional to 19,159,021.40, 28,738,532.10 and 17,080,496.60 is: 25,620,744.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,159,021.40 : 28,738,532.10 = 17,080,496.60 : x
  2. Step 2: Convert to fraction form
    19,159,021.40/28,738,532.10 = 17,080,496.60/x
  3. Step 3: Cross multiply
    19,159,021.40x = 28,738,532.10 × 17,080,496.60
  4. Step 4: Simplify right side
    19,159,021.40x = 490,868,399,823,040.94
  5. Step 5: Solve for x
    x = 490,868,399,823,040.94/19,159,021.40
  6. Step 6: Final answer
    x = 25,620,744.90

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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.