Home / 18,683,847.36-25,783,121.52-10,954,036.80

Finding the Fourth Proportional to 18,683,847.36, 25,783,121.52 and 10,954,036.80

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Solution

The fourth proportional to 18,683,847.36, 25,783,121.52 and 10,954,036.80 is: 15,116,226.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683,847.36 : 25,783,121.52 = 10,954,036.80 : x
  2. Step 2: Convert to fraction form
    18,683,847.36/25,783,121.52 = 10,954,036.80/x
  3. Step 3: Cross multiply
    18,683,847.36x = 25,783,121.52 × 10,954,036.80
  4. Step 4: Simplify right side
    18,683,847.36x = 282,429,261,948,951.94
  5. Step 5: Solve for x
    x = 282,429,261,948,951.94/18,683,847.36
  6. Step 6: Final answer
    x = 15,116,226.14

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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.