Finding the Fourth Proportional to 16,404,979.61, 24,601,770.91 and 9,129,541.99
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Solution
The fourth proportional to 16,404,979.61, 24,601,770.91 and 9,129,541.99 is: 13,691,141.70
Step by Step Solution
- Step 1: Write the proportion equation
16,404,979.61 : 24,601,770.91 = 9,129,541.99 : x - Step 2: Convert to fraction form
16,404,979.61/24,601,770.91 = 9,129,541.99/x - Step 3: Cross multiply
16,404,979.61x = 24,601,770.91 × 9,129,541.99 - Step 4: Simplify right side
16,404,979.61x = 224,602,900,382,548.94 - Step 5: Solve for x
x = 224,602,900,382,548.94/16,404,979.61 - Step 6: Final answer
x = 13,691,141.70
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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.