Finding the Fourth Proportional to 19,067,192.79, 26,288,028.54 and 12,349,573.49
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Solution
The fourth proportional to 19,067,192.79, 26,288,028.54 and 12,349,573.49 is: 17,026,415.15
Step by Step Solution
- Step 1: Write the proportion equation
19,067,192.79 : 26,288,028.54 = 12,349,573.49 : x - Step 2: Convert to fraction form
19,067,192.79/26,288,028.54 = 12,349,573.49/x - Step 3: Cross multiply
19,067,192.79x = 26,288,028.54 × 12,349,573.49 - Step 4: Simplify right side
19,067,192.79x = 324,645,940,230,507.25 - Step 5: Solve for x
x = 324,645,940,230,507.25/19,067,192.79 - Step 6: Final answer
x = 17,026,415.15
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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.