Finding the Fourth Proportional to 12,241,517.90, 18,346,530.45 and 7,444,114.70
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Solution
The fourth proportional to 12,241,517.90, 18,346,530.45 and 7,444,114.70 is: 11,156,596.60
Step by Step Solution
- Step 1: Write the proportion equation
12,241,517.90 : 18,346,530.45 = 7,444,114.70 : x - Step 2: Convert to fraction form
12,241,517.90/18,346,530.45 = 7,444,114.70/x - Step 3: Cross multiply
12,241,517.90x = 18,346,530.45 × 7,444,114.70 - Step 4: Simplify right side
12,241,517.90x = 136,573,677,016,842.61 - Step 5: Solve for x
x = 136,573,677,016,842.61/12,241,517.90 - Step 6: Final answer
x = 11,156,596.60
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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.