Finding the Fourth Proportional to 8,718,876.62, 13,081,257.12 and 3,860,519.85
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Solution
The fourth proportional to 8,718,876.62, 13,081,257.12 and 3,860,519.85 is: 5,792,082.51
Step by Step Solution
- Step 1: Write the proportion equation
8,718,876.62 : 13,081,257.12 = 3,860,519.85 : x - Step 2: Convert to fraction form
8,718,876.62/13,081,257.12 = 3,860,519.85/x - Step 3: Cross multiply
8,718,876.62x = 13,081,257.12 × 3,860,519.85 - Step 4: Simplify right side
8,718,876.62x = 50,500,452,794,013.30 - Step 5: Solve for x
x = 50,500,452,794,013.30/8,718,876.62 - Step 6: Final answer
x = 5,792,082.51
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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.