Finding the Fourth Proportional to 19,807,611.48, 27,327,969.81 and 11,964,193.02
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Solution
The fourth proportional to 19,807,611.48, 27,327,969.81 and 11,964,193.02 is: 16,506,639.68
Step by Step Solution
- Step 1: Write the proportion equation
19,807,611.48 : 27,327,969.81 = 11,964,193.02 : x - Step 2: Convert to fraction form
19,807,611.48/27,327,969.81 = 11,964,193.02/x - Step 3: Cross multiply
19,807,611.48x = 27,327,969.81 × 11,964,193.02 - Step 4: Simplify right side
19,807,611.48x = 326,957,105,651,572.69 - Step 5: Solve for x
x = 326,957,105,651,572.69/19,807,611.48 - Step 6: Final answer
x = 16,506,639.68
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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.