Home / 26,986,928.36-40,438,024.88-18,355,145.54

Finding the Fourth Proportional to 26,986,928.36, 40,438,024.88 and 18,355,145.54

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Solution

The fourth proportional to 26,986,928.36, 40,438,024.88 and 18,355,145.54 is: 27,503,901.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,986,928.36 : 40,438,024.88 = 18,355,145.54 : x
  2. Step 2: Convert to fraction form
    26,986,928.36/40,438,024.88 = 18,355,145.54/x
  3. Step 3: Cross multiply
    26,986,928.36x = 40,438,024.88 × 18,355,145.54
  4. Step 4: Simplify right side
    26,986,928.36x = 742,245,831,728,575.25
  5. Step 5: Solve for x
    x = 742,245,831,728,575.25/26,986,928.36
  6. Step 6: Final answer
    x = 27,503,901.96

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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.