Home / 23,089,839-31,867,340.78-13,298,377.56

Finding the Fourth Proportional to 23,089,839, 31,867,340.78 and 13,298,377.56

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Solution

The fourth proportional to 23,089,839, 31,867,340.78 and 13,298,377.56 is: 18,353,697.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,089,839 : 31,867,340.78 = 13,298,377.56 : x
  2. Step 2: Convert to fraction form
    23,089,839/31,867,340.78 = 13,298,377.56/x
  3. Step 3: Cross multiply
    23,089,839x = 31,867,340.78 × 13,298,377.56
  4. Step 4: Simplify right side
    23,089,839x = 423,783,929,525,624.94
  5. Step 5: Solve for x
    x = 423,783,929,525,624.94/23,089,839
  6. Step 6: Final answer
    x = 18,353,697.90

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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.