Finding the Fourth Proportional to 7,488,268.32, 11,232,402.12 and 2,097,716.88
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Solution
The fourth proportional to 7,488,268.32, 11,232,402.12 and 2,097,716.88 is: 3,146,575.22
Step by Step Solution
- Step 1: Write the proportion equation
7,488,268.32 : 11,232,402.12 = 2,097,716.88 : x - Step 2: Convert to fraction form
7,488,268.32/11,232,402.12 = 2,097,716.88/x - Step 3: Cross multiply
7,488,268.32x = 11,232,402.12 × 2,097,716.88 - Step 4: Simplify right side
7,488,268.32x = 23,562,399,530,071.78 - Step 5: Solve for x
x = 23,562,399,530,071.78/7,488,268.32 - Step 6: Final answer
x = 3,146,575.22
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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.