Finding the Fourth Proportional to 17,515,281.40, 26,251,926.90 and 8,991,230.20
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Solution
The fourth proportional to 17,515,281.40, 26,251,926.90 and 8,991,230.20 is: 13,476,067.70
Step by Step Solution
- Step 1: Write the proportion equation
17,515,281.40 : 26,251,926.90 = 8,991,230.20 : x - Step 2: Convert to fraction form
17,515,281.40/26,251,926.90 = 8,991,230.20/x - Step 3: Cross multiply
17,515,281.40x = 26,251,926.90 × 8,991,230.20 - Step 4: Simplify right side
17,515,281.40x = 236,037,117,951,472.34 - Step 5: Solve for x
x = 236,037,117,951,472.34/17,515,281.40 - Step 6: Final answer
x = 13,476,067.70
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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.