Finding the Fourth Proportional to 18,172,895.58, 27,264,493.62 and 7,397,925.66
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Solution
The fourth proportional to 18,172,895.58, 27,264,493.62 and 7,397,925.66 is: 11,098,985.08
Step by Step Solution
- Step 1: Write the proportion equation
18,172,895.58 : 27,264,493.62 = 7,397,925.66 : x - Step 2: Convert to fraction form
18,172,895.58/27,264,493.62 = 7,397,925.66/x - Step 3: Cross multiply
18,172,895.58x = 27,264,493.62 × 7,397,925.66 - Step 4: Simplify right side
18,172,895.58x = 201,700,696,958,304.31 - Step 5: Solve for x
x = 201,700,696,958,304.31/18,172,895.58 - Step 6: Final answer
x = 11,098,985.08
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1.5x scale
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.