Finding the Fourth Proportional to 12,711,762.12, 17,541,486.81 and 6,910,493.12
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Solution
The fourth proportional to 12,711,762.12, 17,541,486.81 and 6,910,493.12 is: 9,536,075.54
Step by Step Solution
- Step 1: Write the proportion equation
12,711,762.12 : 17,541,486.81 = 6,910,493.12 : x - Step 2: Convert to fraction form
12,711,762.12/17,541,486.81 = 6,910,493.12/x - Step 3: Cross multiply
12,711,762.12x = 17,541,486.81 × 6,910,493.12 - Step 4: Simplify right side
12,711,762.12x = 121,220,323,863,615.31 - Step 5: Solve for x
x = 121,220,323,863,615.31/12,711,762.12 - Step 6: Final answer
x = 9,536,075.54
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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.