Finding the Fourth Proportional to 11,492,913.18, 15,860,934.90 and 6,336,266.88
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Solution
The fourth proportional to 11,492,913.18, 15,860,934.90 and 6,336,266.88 is: 8,744,442.33
Step by Step Solution
- Step 1: Write the proportion equation
11,492,913.18 : 15,860,934.90 = 6,336,266.88 : x - Step 2: Convert to fraction form
11,492,913.18/15,860,934.90 = 6,336,266.88/x - Step 3: Cross multiply
11,492,913.18x = 15,860,934.90 × 6,336,266.88 - Step 4: Simplify right side
11,492,913.18x = 100,499,116,492,706.11 - Step 5: Solve for x
x = 100,499,116,492,706.11/11,492,913.18 - Step 6: Final answer
x = 8,744,442.33
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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.