Finding the Fourth Proportional to 8,534,539.96, 12,788,327.08 and 6,929,260.09
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Solution
The fourth proportional to 8,534,539.96, 12,788,327.08 and 6,929,260.09 is: 10,382,943.29
Step by Step Solution
- Step 1: Write the proportion equation
8,534,539.96 : 12,788,327.08 = 6,929,260.09 : x - Step 2: Convert to fraction form
8,534,539.96/12,788,327.08 = 6,929,260.09/x - Step 3: Cross multiply
8,534,539.96x = 12,788,327.08 × 6,929,260.09 - Step 4: Simplify right side
8,534,539.96x = 88,613,644,453,310.23 - Step 5: Solve for x
x = 88,613,644,453,310.23/8,534,539.96 - Step 6: Final answer
x = 10,382,943.29
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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.