Finding the Fourth Proportional to 9,268,181.60, 13,902,272.40 and 2,879,079.80
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Solution
The fourth proportional to 9,268,181.60, 13,902,272.40 and 2,879,079.80 is: 4,318,619.70
Step by Step Solution
- Step 1: Write the proportion equation
9,268,181.60 : 13,902,272.40 = 2,879,079.80 : x - Step 2: Convert to fraction form
9,268,181.60/13,902,272.40 = 2,879,079.80/x - Step 3: Cross multiply
9,268,181.60x = 13,902,272.40 × 2,879,079.80 - Step 4: Simplify right side
9,268,181.60x = 40,025,751,640,937.52 - Step 5: Solve for x
x = 40,025,751,640,937.52/9,268,181.60 - Step 6: Final answer
x = 4,318,619.70
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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.