Home / 20,483,392.23-30,720,917.79-7,525,089.18

Finding the Fourth Proportional to 20,483,392.23, 30,720,917.79 and 7,525,089.18

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Solution

The fourth proportional to 20,483,392.23, 30,720,917.79 and 7,525,089.18 is: 11,286,101.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,483,392.23 : 30,720,917.79 = 7,525,089.18 : x
  2. Step 2: Convert to fraction form
    20,483,392.23/30,720,917.79 = 7,525,089.18/x
  3. Step 3: Cross multiply
    20,483,392.23x = 30,720,917.79 × 7,525,089.18
  4. Step 4: Simplify right side
    20,483,392.23x = 231,177,646,061,198.50
  5. Step 5: Solve for x
    x = 231,177,646,061,198.50/20,483,392.23
  6. Step 6: Final answer
    x = 11,286,101.61

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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.