Home / 18,140,023.41-25,033,232.60-9,991,261.41

Finding the Fourth Proportional to 18,140,023.41, 25,033,232.60 and 9,991,261.41

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Solution

The fourth proportional to 18,140,023.41, 25,033,232.60 and 9,991,261.41 is: 13,787,940.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,140,023.41 : 25,033,232.60 = 9,991,261.41 : x
  2. Step 2: Convert to fraction form
    18,140,023.41/25,033,232.60 = 9,991,261.41/x
  3. Step 3: Cross multiply
    18,140,023.41x = 25,033,232.60 × 9,991,261.41
  4. Step 4: Simplify right side
    18,140,023.41x = 250,113,570,793,771.12
  5. Step 5: Solve for x
    x = 250,113,570,793,771.12/18,140,023.41
  6. Step 6: Final answer
    x = 13,787,940.91

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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.