Finding the Fourth Proportional to 15,017,621.97, 22,638,992.68 and 14,016,553.30
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Solution
The fourth proportional to 15,017,621.97, 22,638,992.68 and 14,016,553.30 is: 21,129,886.49
Step by Step Solution
- Step 1: Write the proportion equation
15,017,621.97 : 22,638,992.68 = 14,016,553.30 : x - Step 2: Convert to fraction form
15,017,621.97/22,638,992.68 = 14,016,553.30/x - Step 3: Cross multiply
15,017,621.97x = 22,638,992.68 × 14,016,553.30 - Step 4: Simplify right side
15,017,621.97x = 317,320,647,593,235.31 - Step 5: Solve for x
x = 317,320,647,593,235.31/15,017,621.97 - Step 6: Final answer
x = 21,129,886.49
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.