Finding the Fourth Proportional to 8,771,152.26, 13,158,970.74 and 3,378,355.32
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Solution
The fourth proportional to 8,771,152.26, 13,158,970.74 and 3,378,355.32 is: 5,068,396.66
Step by Step Solution
- Step 1: Write the proportion equation
8,771,152.26 : 13,158,970.74 = 3,378,355.32 : x - Step 2: Convert to fraction form
8,771,152.26/13,158,970.74 = 3,378,355.32/x - Step 3: Cross multiply
8,771,152.26x = 13,158,970.74 × 3,378,355.32 - Step 4: Simplify right side
8,771,152.26x = 44,455,678,805,203.34 - Step 5: Solve for x
x = 44,455,678,805,203.34/8,771,152.26 - Step 6: Final answer
x = 5,068,396.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.