Home / 9,340,930.44-12,888,887.58-5,419,787.64

Finding the Fourth Proportional to 9,340,930.44, 12,888,887.58 and 5,419,787.64

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Solution

The fourth proportional to 9,340,930.44, 12,888,887.58 and 5,419,787.64 is: 7,478,380.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,340,930.44 : 12,888,887.58 = 5,419,787.64 : x
  2. Step 2: Convert to fraction form
    9,340,930.44/12,888,887.58 = 5,419,787.64/x
  3. Step 3: Cross multiply
    9,340,930.44x = 12,888,887.58 × 5,419,787.64
  4. Step 4: Simplify right side
    9,340,930.44x = 69,855,033,599,433.51
  5. Step 5: Solve for x
    x = 69,855,033,599,433.51/9,340,930.44
  6. Step 6: Final answer
    x = 7,478,380.67

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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.