Finding the Fourth Proportional to 19,586,252.85, 27,000,542.10 and 13,687,573.38
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Solution
The fourth proportional to 19,586,252.85, 27,000,542.10 and 13,687,573.38 is: 18,868,943.65
Step by Step Solution
- Step 1: Write the proportion equation
19,586,252.85 : 27,000,542.10 = 13,687,573.38 : x - Step 2: Convert to fraction form
19,586,252.85/27,000,542.10 = 13,687,573.38/x - Step 3: Cross multiply
19,586,252.85x = 27,000,542.10 × 13,687,573.38 - Step 4: Simplify right side
19,586,252.85x = 369,571,901,293,529.31 - Step 5: Solve for x
x = 369,571,901,293,529.31/19,586,252.85 - Step 6: Final answer
x = 18,868,943.65
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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.