Finding the Fourth Proportional to 18,835,912.08, 28,251,112.38 and 8,985,751.56
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Solution
The fourth proportional to 18,835,912.08, 28,251,112.38 and 8,985,751.56 is: 13,477,312.70
Step by Step Solution
- Step 1: Write the proportion equation
18,835,912.08 : 28,251,112.38 = 8,985,751.56 : x - Step 2: Convert to fraction form
18,835,912.08/28,251,112.38 = 8,985,751.56/x - Step 3: Cross multiply
18,835,912.08x = 28,251,112.38 × 8,985,751.56 - Step 4: Simplify right side
18,835,912.08x = 253,857,477,140,320.31 - Step 5: Solve for x
x = 253,857,477,140,320.31/18,835,912.08 - Step 6: Final answer
x = 13,477,312.70
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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.