Home / 12,576,668.53-18,868,990.44-4,489,470.58

Finding the Fourth Proportional to 12,576,668.53, 18,868,990.44 and 4,489,470.58

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Solution

The fourth proportional to 12,576,668.53, 18,868,990.44 and 4,489,470.58 is: 6,735,629.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,576,668.53 : 18,868,990.44 = 4,489,470.58 : x
  2. Step 2: Convert to fraction form
    12,576,668.53/18,868,990.44 = 4,489,470.58/x
  3. Step 3: Cross multiply
    12,576,668.53x = 18,868,990.44 × 4,489,470.58
  4. Step 4: Simplify right side
    12,576,668.53x = 84,711,777,454,681.27
  5. Step 5: Solve for x
    x = 84,711,777,454,681.27/12,576,668.53
  6. Step 6: Final answer
    x = 6,735,629.33

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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.