Finding the Fourth Proportional to 8,644,865.08, 12,955,706.58 and 6,728,090.84
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Solution
The fourth proportional to 8,644,865.08, 12,955,706.58 and 6,728,090.84 is: 10,083,115.23
Step by Step Solution
- Step 1: Write the proportion equation
8,644,865.08 : 12,955,706.58 = 6,728,090.84 : x - Step 2: Convert to fraction form
8,644,865.08/12,955,706.58 = 6,728,090.84/x - Step 3: Cross multiply
8,644,865.08x = 12,955,706.58 × 6,728,090.84 - Step 4: Simplify right side
8,644,865.08x = 87,167,170,766,625.72 - Step 5: Solve for x
x = 87,167,170,766,625.72/8,644,865.08 - Step 6: Final answer
x = 10,083,115.23
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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.