Finding the Fourth Proportional to 7,511,157.80, 11,265,160.08 and 2,118,547.11
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Solution
The fourth proportional to 7,511,157.80, 11,265,160.08 and 2,118,547.11 is: 3,177,375.98
Step by Step Solution
- Step 1: Write the proportion equation
7,511,157.80 : 11,265,160.08 = 2,118,547.11 : x - Step 2: Convert to fraction form
7,511,157.80/11,265,160.08 = 2,118,547.11/x - Step 3: Cross multiply
7,511,157.80x = 11,265,160.08 × 2,118,547.11 - Step 4: Simplify right side
7,511,157.80x = 23,865,772,331,171.37 - Step 5: Solve for x
x = 23,865,772,331,171.37/7,511,157.80 - Step 6: Final answer
x = 3,177,375.98
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.