Finding the Fourth Proportional to 8,268,374.59, 12,402,534.09 and 2,120,349.44
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Solution
The fourth proportional to 8,268,374.59, 12,402,534.09 and 2,120,349.44 is: 3,180,517.03
Step by Step Solution
- Step 1: Write the proportion equation
8,268,374.59 : 12,402,534.09 = 2,120,349.44 : x - Step 2: Convert to fraction form
8,268,374.59/12,402,534.09 = 2,120,349.44/x - Step 3: Cross multiply
8,268,374.59x = 12,402,534.09 × 2,120,349.44 - Step 4: Simplify right side
8,268,374.59x = 26,297,706,212,312.41 - Step 5: Solve for x
x = 26,297,706,212,312.41/8,268,374.59 - Step 6: Final answer
x = 3,180,517.03
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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.