Finding the Fourth Proportional to 18,580,724.92, 27,871,367.68 and 6,450,573.76
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Solution
The fourth proportional to 18,580,724.92, 27,871,367.68 and 6,450,573.76 is: 9,675,957.95
Step by Step Solution
- Step 1: Write the proportion equation
18,580,724.92 : 27,871,367.68 = 6,450,573.76 : x - Step 2: Convert to fraction form
18,580,724.92/27,871,367.68 = 6,450,573.76/x - Step 3: Cross multiply
18,580,724.92x = 27,871,367.68 × 6,450,573.76 - Step 4: Simplify right side
18,580,724.92x = 179,786,313,011,920.06 - Step 5: Solve for x
x = 179,786,313,011,920.06/18,580,724.92 - Step 6: Final answer
x = 9,675,957.95
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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.