Finding the Fourth Proportional to 11,427,813.54, 15,770,837.57 and 6,271,359.62
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Solution
The fourth proportional to 11,427,813.54, 15,770,837.57 and 6,271,359.62 is: 8,654,725.90
Step by Step Solution
- Step 1: Write the proportion equation
11,427,813.54 : 15,770,837.57 = 6,271,359.62 : x - Step 2: Convert to fraction form
11,427,813.54/15,770,837.57 = 6,271,359.62/x - Step 3: Cross multiply
11,427,813.54x = 15,770,837.57 × 6,271,359.62 - Step 4: Simplify right side
11,427,813.54x = 98,904,593,799,865.94 - Step 5: Solve for x
x = 98,904,593,799,865.94/11,427,813.54 - Step 6: Final answer
x = 8,654,725.90
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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.