Finding the Fourth Proportional to 18,805,819.88, 28,219,358.66 and 8,022,101.96
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Solution
The fourth proportional to 18,805,819.88, 28,219,358.66 and 8,022,101.96 is: 12,037,686.94
Step by Step Solution
- Step 1: Write the proportion equation
18,805,819.88 : 28,219,358.66 = 8,022,101.96 : x - Step 2: Convert to fraction form
18,805,819.88/28,219,358.66 = 8,022,101.96/x - Step 3: Cross multiply
18,805,819.88x = 28,219,358.66 × 8,022,101.96 - Step 4: Simplify right side
18,805,819.88x = 226,378,572,416,328.97 - Step 5: Solve for x
x = 226,378,572,416,328.97/18,805,819.88 - Step 6: Final answer
x = 12,037,686.94
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.