Finding the Fourth Proportional to 17,892,364.20, 26,838,546.30 and 15,120,997.80
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Solution
The fourth proportional to 17,892,364.20, 26,838,546.30 and 15,120,997.80 is: 22,681,496.70
Step by Step Solution
- Step 1: Write the proportion equation
17,892,364.20 : 26,838,546.30 = 15,120,997.80 : x - Step 2: Convert to fraction form
17,892,364.20/26,838,546.30 = 15,120,997.80/x - Step 3: Cross multiply
17,892,364.20x = 26,838,546.30 × 15,120,997.80 - Step 4: Simplify right side
17,892,364.20x = 405,825,599,557,498.19 - Step 5: Solve for x
x = 405,825,599,557,498.19/17,892,364.20 - Step 6: Final answer
x = 22,681,496.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.