Finding the Fourth Proportional to 11,815,056.68, 16,304,375.08 and 6,516,961.56
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Solution
The fourth proportional to 11,815,056.68, 16,304,375.08 and 6,516,961.56 is: 8,993,184.59
Step by Step Solution
- Step 1: Write the proportion equation
11,815,056.68 : 16,304,375.08 = 6,516,961.56 : x - Step 2: Convert to fraction form
11,815,056.68/16,304,375.08 = 6,516,961.56/x - Step 3: Cross multiply
11,815,056.68x = 16,304,375.08 × 6,516,961.56 - Step 4: Simplify right side
11,815,056.68x = 106,254,985,656,181.92 - Step 5: Solve for x
x = 106,254,985,656,181.92/11,815,056.68 - Step 6: Final answer
x = 8,993,184.59
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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.