Finding the Fourth Proportional to 20,411,906.40, 30,623,839.20 and 6,035,348.42
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Solution
The fourth proportional to 20,411,906.40, 30,623,839.20 and 6,035,348.42 is: 9,054,790.67
Step by Step Solution
- Step 1: Write the proportion equation
20,411,906.40 : 30,623,839.20 = 6,035,348.42 : x - Step 2: Convert to fraction form
20,411,906.40/30,623,839.20 = 6,035,348.42/x - Step 3: Cross multiply
20,411,906.40x = 30,623,839.20 × 6,035,348.42 - Step 4: Simplify right side
20,411,906.40x = 184,825,539,530,054.06 - Step 5: Solve for x
x = 184,825,539,530,054.06/20,411,906.40 - Step 6: Final answer
x = 9,054,790.67
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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.