Finding the Fourth Proportional to 8,318,634.51, 11,477,748.19 and 4,831,901.49
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Solution
The fourth proportional to 8,318,634.51, 11,477,748.19 and 4,831,901.49 is: 6,666,881.27
Step by Step Solution
- Step 1: Write the proportion equation
8,318,634.51 : 11,477,748.19 = 4,831,901.49 : x - Step 2: Convert to fraction form
8,318,634.51/11,477,748.19 = 4,831,901.49/x - Step 3: Cross multiply
8,318,634.51x = 11,477,748.19 × 4,831,901.49 - Step 4: Simplify right side
8,318,634.51x = 55,459,348,581,105.80 - Step 5: Solve for x
x = 55,459,348,581,105.80/8,318,634.51 - Step 6: Final answer
x = 6,666,881.27
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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.