Home / 39,670,950.42-54,742,907.10-22,263,933.78

Finding the Fourth Proportional to 39,670,950.42, 54,742,907.10 and 22,263,933.78

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Solution

The fourth proportional to 39,670,950.42, 54,742,907.10 and 22,263,933.78 is: 30,722,542.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,670,950.42 : 54,742,907.10 = 22,263,933.78 : x
  2. Step 2: Convert to fraction form
    39,670,950.42/54,742,907.10 = 22,263,933.78/x
  3. Step 3: Cross multiply
    39,670,950.42x = 54,742,907.10 × 22,263,933.78
  4. Step 4: Simplify right side
    39,670,950.42x = 1,218,792,458,599,092
  5. Step 5: Solve for x
    x = 1,218,792,458,599,092/39,670,950.42
  6. Step 6: Final answer
    x = 30,722,542.46

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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.