Finding the Fourth Proportional to 11,475,087.12, 15,835,968.62 and 6,318,633.20
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Solution
The fourth proportional to 11,475,087.12, 15,835,968.62 and 6,318,633.20 is: 8,719,905.66
Step by Step Solution
- Step 1: Write the proportion equation
11,475,087.12 : 15,835,968.62 = 6,318,633.20 : x - Step 2: Convert to fraction form
11,475,087.12/15,835,968.62 = 6,318,633.20/x - Step 3: Cross multiply
11,475,087.12x = 15,835,968.62 × 6,318,633.20 - Step 4: Simplify right side
11,475,087.12x = 100,061,677,076,490.19 - Step 5: Solve for x
x = 100,061,677,076,490.19/11,475,087.12 - Step 6: Final answer
x = 8,719,905.66
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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.