Finding the Fourth Proportional to 11,438,323.54, 15,784,829.13 and 6,211,285.00
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Solution
The fourth proportional to 11,438,323.54, 15,784,829.13 and 6,211,285.00 is: 8,571,542.15
Step by Step Solution
- Step 1: Write the proportion equation
11,438,323.54 : 15,784,829.13 = 6,211,285.00 : x - Step 2: Convert to fraction form
11,438,323.54/15,784,829.13 = 6,211,285.00/x - Step 3: Cross multiply
11,438,323.54x = 15,784,829.13 × 6,211,285.00 - Step 4: Simplify right side
11,438,323.54x = 98,044,072,363,269.97 - Step 5: Solve for x
x = 98,044,072,363,269.97/11,438,323.54 - Step 6: Final answer
x = 8,571,542.15
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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.