Finding the Fourth Proportional to 18,078,252.30, 27,117,598.97 and 5,299,015.34
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Solution
The fourth proportional to 18,078,252.30, 27,117,598.97 and 5,299,015.34 is: 7,948,587.65
Step by Step Solution
- Step 1: Write the proportion equation
18,078,252.30 : 27,117,598.97 = 5,299,015.34 : x - Step 2: Convert to fraction form
18,078,252.30/27,117,598.97 = 5,299,015.34/x - Step 3: Cross multiply
18,078,252.30x = 27,117,598.97 × 5,299,015.34 - Step 4: Simplify right side
18,078,252.30x = 143,696,573,007,039.75 - Step 5: Solve for x
x = 143,696,573,007,039.75/18,078,252.30 - Step 6: Final answer
x = 7,948,587.65
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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.