Finding the Fourth Proportional to 14,344,212.20, 19,794,435.41 and 7,817,701.19
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Solution
The fourth proportional to 14,344,212.20, 19,794,435.41 and 7,817,701.19 is: 10,788,112.94
Step by Step Solution
- Step 1: Write the proportion equation
14,344,212.20 : 19,794,435.41 = 7,817,701.19 : x - Step 2: Convert to fraction form
14,344,212.20/19,794,435.41 = 7,817,701.19/x - Step 3: Cross multiply
14,344,212.20x = 19,794,435.41 × 7,817,701.19 - Step 4: Simplify right side
14,344,212.20x = 154,746,981,180,707.22 - Step 5: Solve for x
x = 154,746,981,180,707.22/14,344,212.20 - Step 6: Final answer
x = 10,788,112.94
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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.