Home / 17,021,786.20-25,551,341.70-10,639,245.40

Finding the Fourth Proportional to 17,021,786.20, 25,551,341.70 and 10,639,245.40

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Solution

The fourth proportional to 17,021,786.20, 25,551,341.70 and 10,639,245.40 is: 15,970,532.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,021,786.20 : 25,551,341.70 = 10,639,245.40 : x
  2. Step 2: Convert to fraction form
    17,021,786.20/25,551,341.70 = 10,639,245.40/x
  3. Step 3: Cross multiply
    17,021,786.20x = 25,551,341.70 × 10,639,245.40
  4. Step 4: Simplify right side
    17,021,786.20x = 271,846,994,645,553.19
  5. Step 5: Solve for x
    x = 271,846,994,645,553.19/17,021,786.20
  6. Step 6: Final answer
    x = 15,970,532.79

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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.