Finding the Fourth Proportional to 12,257,028.82, 16,914,493.41 and 6,750,916.42
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Solution
The fourth proportional to 12,257,028.82, 16,914,493.41 and 6,750,916.42 is: 9,316,151.00
Step by Step Solution
- Step 1: Write the proportion equation
12,257,028.82 : 16,914,493.41 = 6,750,916.42 : x - Step 2: Convert to fraction form
12,257,028.82/16,914,493.41 = 6,750,916.42/x - Step 3: Cross multiply
12,257,028.82x = 16,914,493.41 × 6,750,916.42 - Step 4: Simplify right side
12,257,028.82x = 114,188,331,297,550.80 - Step 5: Solve for x
x = 114,188,331,297,550.80/12,257,028.82 - Step 6: Final answer
x = 9,316,151.00
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1.5x scale
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.