Finding the Fourth Proportional to 14,108,636.16, 19,467,855.36 and 8,304,007.68
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Solution
The fourth proportional to 14,108,636.16, 19,467,855.36 and 8,304,007.68 is: 11,458,316.64
Step by Step Solution
- Step 1: Write the proportion equation
14,108,636.16 : 19,467,855.36 = 8,304,007.68 : x - Step 2: Convert to fraction form
14,108,636.16/19,467,855.36 = 8,304,007.68/x - Step 3: Cross multiply
14,108,636.16x = 19,467,855.36 × 8,304,007.68 - Step 4: Simplify right side
14,108,636.16x = 161,661,220,422,569.16 - Step 5: Solve for x
x = 161,661,220,422,569.16/14,108,636.16 - Step 6: Final answer
x = 11,458,316.64
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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.