Home / 20,769,369.58-31,024,537.37-15,388,529.46

Finding the Fourth Proportional to 20,769,369.58, 31,024,537.37 and 15,388,529.46

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Solution

The fourth proportional to 20,769,369.58, 31,024,537.37 and 15,388,529.46 is: 22,986,831.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,769,369.58 : 31,024,537.37 = 15,388,529.46 : x
  2. Step 2: Convert to fraction form
    20,769,369.58/31,024,537.37 = 15,388,529.46/x
  3. Step 3: Cross multiply
    20,769,369.58x = 31,024,537.37 × 15,388,529.46
  4. Step 4: Simplify right side
    20,769,369.58x = 477,422,007,301,115.94
  5. Step 5: Solve for x
    x = 477,422,007,301,115.94/20,769,369.58
  6. Step 6: Final answer
    x = 22,986,831.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.