Finding the Fourth Proportional to 11,291,639.54, 15,582,604.29 and 6,135,087.20
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Solution
The fourth proportional to 11,291,639.54, 15,582,604.29 and 6,135,087.20 is: 8,466,497.34
Step by Step Solution
- Step 1: Write the proportion equation
11,291,639.54 : 15,582,604.29 = 6,135,087.20 : x - Step 2: Convert to fraction form
11,291,639.54/15,582,604.29 = 6,135,087.20/x - Step 3: Cross multiply
11,291,639.54x = 15,582,604.29 × 6,135,087.20 - Step 4: Simplify right side
11,291,639.54x = 95,600,636,161,200.59 - Step 5: Solve for x
x = 95,600,636,161,200.59/11,291,639.54 - Step 6: Final answer
x = 8,466,497.34
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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.