Home / 5,388,768.30-8,083,152.45-5,123,047.80

Finding the Fourth Proportional to 5,388,768.30, 8,083,152.45 and 5,123,047.80

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Solution

The fourth proportional to 5,388,768.30, 8,083,152.45 and 5,123,047.80 is: 7,684,571.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388,768.30 : 8,083,152.45 = 5,123,047.80 : x
  2. Step 2: Convert to fraction form
    5,388,768.30/8,083,152.45 = 5,123,047.80/x
  3. Step 3: Cross multiply
    5,388,768.30x = 8,083,152.45 × 5,123,047.80
  4. Step 4: Simplify right side
    5,388,768.30x = 41,410,376,376,037.11
  5. Step 5: Solve for x
    x = 41,410,376,376,037.11/5,388,768.30
  6. Step 6: Final answer
    x = 7,684,571.70

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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.