Finding the Fourth Proportional to 14,521,790.70, 21,785,052.24 and 4,287,685.05
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Solution
The fourth proportional to 14,521,790.70, 21,785,052.24 and 4,287,685.05 is: 6,432,226.21
Step by Step Solution
- Step 1: Write the proportion equation
14,521,790.70 : 21,785,052.24 = 4,287,685.05 : x - Step 2: Convert to fraction form
14,521,790.70/21,785,052.24 = 4,287,685.05/x - Step 3: Cross multiply
14,521,790.70x = 21,785,052.24 × 4,287,685.05 - Step 4: Simplify right side
14,521,790.70x = 93,407,442,802,917 - Step 5: Solve for x
x = 93,407,442,802,917/14,521,790.70 - Step 6: Final answer
x = 6,432,226.21
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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.