Home / 25,407,120.76-38,089,256.74-11,019,351.68

Finding the Fourth Proportional to 25,407,120.76, 38,089,256.74 and 11,019,351.68

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Solution

The fourth proportional to 25,407,120.76, 38,089,256.74 and 11,019,351.68 is: 16,519,735.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,407,120.76 : 38,089,256.74 = 11,019,351.68 : x
  2. Step 2: Convert to fraction form
    25,407,120.76/38,089,256.74 = 11,019,351.68/x
  3. Step 3: Cross multiply
    25,407,120.76x = 38,089,256.74 × 11,019,351.68
  4. Step 4: Simplify right side
    25,407,120.76x = 419,718,915,172,710.38
  5. Step 5: Solve for x
    x = 419,718,915,172,710.38/25,407,120.76
  6. Step 6: Final answer
    x = 16,519,735.52

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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.