Home / 18,437,351.36-25,453,100.78-13,470,215

Finding the Fourth Proportional to 18,437,351.36, 25,453,100.78 and 13,470,215

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Solution

The fourth proportional to 18,437,351.36, 25,453,100.78 and 13,470,215 is: 18,595,878.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,437,351.36 : 25,453,100.78 = 13,470,215 : x
  2. Step 2: Convert to fraction form
    18,437,351.36/25,453,100.78 = 13,470,215/x
  3. Step 3: Cross multiply
    18,437,351.36x = 25,453,100.78 × 13,470,215
  4. Step 4: Simplify right side
    18,437,351.36x = 342,858,739,923,267.69
  5. Step 5: Solve for x
    x = 342,858,739,923,267.69/18,437,351.36
  6. Step 6: Final answer
    x = 18,595,878.18

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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.