Home / 20,351,816.99-30,528,889.20-5,777,596.51

Finding the Fourth Proportional to 20,351,816.99, 30,528,889.20 and 5,777,596.51

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Solution

The fourth proportional to 20,351,816.99, 30,528,889.20 and 5,777,596.51 is: 8,666,725.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,351,816.99 : 30,528,889.20 = 5,777,596.51 : x
  2. Step 2: Convert to fraction form
    20,351,816.99/30,528,889.20 = 5,777,596.51/x
  3. Step 3: Cross multiply
    20,351,816.99x = 30,528,889.20 × 5,777,596.51
  4. Step 4: Simplify right side
    20,351,816.99x = 176,383,603,696,096.69
  5. Step 5: Solve for x
    x = 176,383,603,696,096.69/20,351,816.99
  6. Step 6: Final answer
    x = 8,666,725.13

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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.