Finding the Fourth Proportional to 19,973,694.24, 27,563,688.72 and 11,273,691.60
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Solution
The fourth proportional to 19,973,694.24, 27,563,688.72 and 11,273,691.60 is: 15,557,689.14
Step by Step Solution
- Step 1: Write the proportion equation
19,973,694.24 : 27,563,688.72 = 11,273,691.60 : x - Step 2: Convert to fraction form
19,973,694.24/27,563,688.72 = 11,273,691.60/x - Step 3: Cross multiply
19,973,694.24x = 27,563,688.72 × 11,273,691.60 - Step 4: Simplify right side
19,973,694.24x = 310,744,525,987,678.75 - Step 5: Solve for x
x = 310,744,525,987,678.75/19,973,694.24 - Step 6: Final answer
x = 15,557,689.14
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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.