Finding the Fourth Proportional to 19,586,477.80, 29,344,287.30 and 16,752,125.80
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Solution
The fourth proportional to 19,586,477.80, 29,344,287.30 and 16,752,125.80 is: 25,097,886.28
Step by Step Solution
- Step 1: Write the proportion equation
19,586,477.80 : 29,344,287.30 = 16,752,125.80 : x - Step 2: Convert to fraction form
19,586,477.80/29,344,287.30 = 16,752,125.80/x - Step 3: Cross multiply
19,586,477.80x = 29,344,287.30 × 16,752,125.80 - Step 4: Simplify right side
19,586,477.80x = 491,579,192,360,942.38 - Step 5: Solve for x
x = 491,579,192,360,942.38/19,586,477.80 - Step 6: Final answer
x = 25,097,886.28
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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.