Finding the Fourth Proportional to 8,236,530.26, 12,355,055.40 and 2,845,487.78
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Solution
The fourth proportional to 8,236,530.26, 12,355,055.40 and 2,845,487.78 is: 4,268,321.49
Step by Step Solution
- Step 1: Write the proportion equation
8,236,530.26 : 12,355,055.40 = 2,845,487.78 : x - Step 2: Convert to fraction form
8,236,530.26/12,355,055.40 = 2,845,487.78/x - Step 3: Cross multiply
8,236,530.26x = 12,355,055.40 × 2,845,487.78 - Step 4: Simplify right side
8,236,530.26x = 35,156,159,085,920.29 - Step 5: Solve for x
x = 35,156,159,085,920.29/8,236,530.26 - Step 6: Final answer
x = 4,268,321.49
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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.