Finding the Fourth Proportional to 18,195,147.60, 27,218,071.80 and 16,403,557.20
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Solution
The fourth proportional to 18,195,147.60, 27,218,071.80 and 16,403,557.20 is: 24,538,036.59
Step by Step Solution
- Step 1: Write the proportion equation
18,195,147.60 : 27,218,071.80 = 16,403,557.20 : x - Step 2: Convert to fraction form
18,195,147.60/27,218,071.80 = 16,403,557.20/x - Step 3: Cross multiply
18,195,147.60x = 27,218,071.80 × 16,403,557.20 - Step 4: Simplify right side
18,195,147.60x = 446,473,197,645,006.94 - Step 5: Solve for x
x = 446,473,197,645,006.94/18,195,147.60 - Step 6: Final answer
x = 24,538,036.59
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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.