Home / 20,360,049.89-28,097,405.21-11,192,923.49

Finding the Fourth Proportional to 20,360,049.89, 28,097,405.21 and 11,192,923.49

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Solution

The fourth proportional to 20,360,049.89, 28,097,405.21 and 11,192,923.49 is: 15,446,529.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,360,049.89 : 28,097,405.21 = 11,192,923.49 : x
  2. Step 2: Convert to fraction form
    20,360,049.89/28,097,405.21 = 11,192,923.49/x
  3. Step 3: Cross multiply
    20,360,049.89x = 28,097,405.21 × 11,192,923.49
  4. Step 4: Simplify right side
    20,360,049.89x = 314,492,106,670,552.62
  5. Step 5: Solve for x
    x = 314,492,106,670,552.62/20,360,049.89
  6. Step 6: Final answer
    x = 15,446,529.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.