Home / 7,311,174.57-10,089,736.14-4,047,989.20

Finding the Fourth Proportional to 7,311,174.57, 10,089,736.14 and 4,047,989.20

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Solution

The fourth proportional to 7,311,174.57, 10,089,736.14 and 4,047,989.20 is: 5,586,399.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,311,174.57 : 10,089,736.14 = 4,047,989.20 : x
  2. Step 2: Convert to fraction form
    7,311,174.57/10,089,736.14 = 4,047,989.20/x
  3. Step 3: Cross multiply
    7,311,174.57x = 10,089,736.14 × 4,047,989.20
  4. Step 4: Simplify right side
    7,311,174.57x = 40,843,142,925,569.70
  5. Step 5: Solve for x
    x = 40,843,142,925,569.70/7,311,174.57
  6. Step 6: Final answer
    x = 5,586,399.63

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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.