Home / 8,543,640.89-12,816,240.02-2,784,896.39

Finding the Fourth Proportional to 8,543,640.89, 12,816,240.02 and 2,784,896.39

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Solution

The fourth proportional to 8,543,640.89, 12,816,240.02 and 2,784,896.39 is: 4,177,598.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,543,640.89 : 12,816,240.02 = 2,784,896.39 : x
  2. Step 2: Convert to fraction form
    8,543,640.89/12,816,240.02 = 2,784,896.39/x
  3. Step 3: Cross multiply
    8,543,640.89x = 12,816,240.02 × 2,784,896.39
  4. Step 4: Simplify right side
    8,543,640.89x = 35,691,900,565,071.53
  5. Step 5: Solve for x
    x = 35,691,900,565,071.53/8,543,640.89
  6. Step 6: Final answer
    x = 4,177,598.41

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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.