Finding the Fourth Proportional to 11,345,213.18, 15,656,494.11 and 6,188,597.66
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Solution
The fourth proportional to 11,345,213.18, 15,656,494.11 and 6,188,597.66 is: 8,540,319.28
Step by Step Solution
- Step 1: Write the proportion equation
11,345,213.18 : 15,656,494.11 = 6,188,597.66 : x - Step 2: Convert to fraction form
11,345,213.18/15,656,494.11 = 6,188,597.66/x - Step 3: Cross multiply
11,345,213.18x = 15,656,494.11 × 6,188,597.66 - Step 4: Simplify right side
11,345,213.18x = 96,891,742,812,949.78 - Step 5: Solve for x
x = 96,891,742,812,949.78/11,345,213.18 - Step 6: Final answer
x = 8,540,319.28
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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.