Finding the Fourth Proportional to 7,968,216.68, 11,952,431.94 and 2,503,133.18
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Solution
The fourth proportional to 7,968,216.68, 11,952,431.94 and 2,503,133.18 is: 3,754,733.36
Step by Step Solution
- Step 1: Write the proportion equation
7,968,216.68 : 11,952,431.94 = 2,503,133.18 : x - Step 2: Convert to fraction form
7,968,216.68/11,952,431.94 = 2,503,133.18/x - Step 3: Cross multiply
7,968,216.68x = 11,952,431.94 × 2,503,133.18 - Step 4: Simplify right side
7,968,216.68x = 29,918,528,970,705.77 - Step 5: Solve for x
x = 29,918,528,970,705.77/7,968,216.68 - Step 6: Final answer
x = 3,754,733.36
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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.