Home / 7,311,321.88-10,089,939.68-4,048,136.76

Finding the Fourth Proportional to 7,311,321.88, 10,089,939.68 and 4,048,136.76

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Solution

The fourth proportional to 7,311,321.88, 10,089,939.68 and 4,048,136.76 is: 5,586,603.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,311,321.88 : 10,089,939.68 = 4,048,136.76 : x
  2. Step 2: Convert to fraction form
    7,311,321.88/10,089,939.68 = 4,048,136.76/x
  3. Step 3: Cross multiply
    7,311,321.88x = 10,089,939.68 × 4,048,136.76
  4. Step 4: Simplify right side
    7,311,321.88x = 40,845,455,724,790.63
  5. Step 5: Solve for x
    x = 40,845,455,724,790.63/7,311,321.88
  6. Step 6: Final answer
    x = 5,586,603.41

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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.