Finding the Fourth Proportional to 19,579,277.50, 27,017,821.38 and 11,319,872.19
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Solution
The fourth proportional to 19,579,277.50, 27,017,821.38 and 11,319,872.19 is: 15,620,509.23
Step by Step Solution
- Step 1: Write the proportion equation
19,579,277.50 : 27,017,821.38 = 11,319,872.19 : x - Step 2: Convert to fraction form
19,579,277.50/27,017,821.38 = 11,319,872.19/x - Step 3: Cross multiply
19,579,277.50x = 27,017,821.38 × 11,319,872.19 - Step 4: Simplify right side
19,579,277.50x = 305,838,284,873,849.38 - Step 5: Solve for x
x = 305,838,284,873,849.38/19,579,277.50 - Step 6: Final answer
x = 15,620,509.23
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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.