Finding the Fourth Proportional to 18,273,946.02, 27,409,548.51 and 5,320,195.98
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Solution
The fourth proportional to 18,273,946.02, 27,409,548.51 and 5,320,195.98 is: 7,979,894.96
Step by Step Solution
- Step 1: Write the proportion equation
18,273,946.02 : 27,409,548.51 = 5,320,195.98 : x - Step 2: Convert to fraction form
18,273,946.02/27,409,548.51 = 5,320,195.98/x - Step 3: Cross multiply
18,273,946.02x = 27,409,548.51 × 5,320,195.98 - Step 4: Simplify right side
18,273,946.02x = 145,824,169,796,517 - Step 5: Solve for x
x = 145,824,169,796,517/18,273,946.02 - Step 6: Final answer
x = 7,979,894.96
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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.