Finding the Fourth Proportional to 8,531,874.18, 11,774,274.21 and 4,664,318.58
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Solution
The fourth proportional to 8,531,874.18, 11,774,274.21 and 4,664,318.58 is: 6,436,917.00
Step by Step Solution
- Step 1: Write the proportion equation
8,531,874.18 : 11,774,274.21 = 4,664,318.58 : x - Step 2: Convert to fraction form
8,531,874.18/11,774,274.21 = 4,664,318.58/x - Step 3: Cross multiply
8,531,874.18x = 11,774,274.21 × 4,664,318.58 - Step 4: Simplify right side
8,531,874.18x = 54,918,965,963,717.83 - Step 5: Solve for x
x = 54,918,965,963,717.83/8,531,874.18 - Step 6: Final answer
x = 6,436,917.00
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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.