Finding the Fourth Proportional to 12,497,522.40, 17,253,382.32 and 8,149,260.96
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Solution
The fourth proportional to 12,497,522.40, 17,253,382.32 and 8,149,260.96 is: 11,250,415.12
Step by Step Solution
- Step 1: Write the proportion equation
12,497,522.40 : 17,253,382.32 = 8,149,260.96 : x - Step 2: Convert to fraction form
12,497,522.40/17,253,382.32 = 8,149,260.96/x - Step 3: Cross multiply
12,497,522.40x = 17,253,382.32 × 8,149,260.96 - Step 4: Simplify right side
12,497,522.40x = 140,602,314,968,330.23 - Step 5: Solve for x
x = 140,602,314,968,330.23/12,497,522.40 - Step 6: Final answer
x = 11,250,415.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.