Finding the Fourth Proportional to 19,423,715.75, 26,804,634.27 and 10,721,812.24
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Solution
The fourth proportional to 19,423,715.75, 26,804,634.27 and 10,721,812.24 is: 14,796,049.30
Step by Step Solution
- Step 1: Write the proportion equation
19,423,715.75 : 26,804,634.27 = 10,721,812.24 : x - Step 2: Convert to fraction form
19,423,715.75/26,804,634.27 = 10,721,812.24/x - Step 3: Cross multiply
19,423,715.75x = 26,804,634.27 × 10,721,812.24 - Step 4: Simplify right side
19,423,715.75x = 287,394,255,804,809.44 - Step 5: Solve for x
x = 287,394,255,804,809.44/19,423,715.75 - Step 6: Final answer
x = 14,796,049.30
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1.5x scale
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.