Finding the Fourth Proportional to 15,647,896.93, 21,593,776.03 and 8,677,449.68
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Solution
The fourth proportional to 15,647,896.93, 21,593,776.03 and 8,677,449.68 is: 11,974,702.14
Step by Step Solution
- Step 1: Write the proportion equation
15,647,896.93 : 21,593,776.03 = 8,677,449.68 : x - Step 2: Convert to fraction form
15,647,896.93/21,593,776.03 = 8,677,449.68/x - Step 3: Cross multiply
15,647,896.93x = 21,593,776.03 × 8,677,449.68 - Step 4: Simplify right side
15,647,896.93x = 187,378,904,771,852.69 - Step 5: Solve for x
x = 187,378,904,771,852.69/15,647,896.93 - Step 6: Final answer
x = 11,974,702.14
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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.