Finding the Fourth Proportional to 11,689,460.10, 16,131,953.12 and 6,532,821.49
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Solution
The fourth proportional to 11,689,460.10, 16,131,953.12 and 6,532,821.49 is: 9,015,572.07
Step by Step Solution
- Step 1: Write the proportion equation
11,689,460.10 : 16,131,953.12 = 6,532,821.49 : x - Step 2: Convert to fraction form
11,689,460.10/16,131,953.12 = 6,532,821.49/x - Step 3: Cross multiply
11,689,460.10x = 16,131,953.12 × 6,532,821.49 - Step 4: Simplify right side
11,689,460.10x = 105,387,170,018,008.55 - Step 5: Solve for x
x = 105,387,170,018,008.55/11,689,460.10 - Step 6: Final answer
x = 9,015,572.07
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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.