Finding the Fourth Proportional to 7,847,986.67, 11,772,349.05 and 2,456,812.97
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Solution
The fourth proportional to 7,847,986.67, 11,772,349.05 and 2,456,812.97 is: 3,685,334.98
Step by Step Solution
- Step 1: Write the proportion equation
7,847,986.67 : 11,772,349.05 = 2,456,812.97 : x - Step 2: Convert to fraction form
7,847,986.67/11,772,349.05 = 2,456,812.97/x - Step 3: Cross multiply
7,847,986.67x = 11,772,349.05 × 2,456,812.97 - Step 4: Simplify right side
7,847,986.67x = 28,922,459,774,545.43 - Step 5: Solve for x
x = 28,922,459,774,545.43/7,847,986.67 - Step 6: Final answer
x = 3,685,334.98
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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.