Finding the Fourth Proportional to 20,353,543.16, 30,530,159.20 and 5,207,450.36
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Solution
The fourth proportional to 20,353,543.16, 30,530,159.20 and 5,207,450.36 is: 7,811,135.75
Step by Step Solution
- Step 1: Write the proportion equation
20,353,543.16 : 30,530,159.20 = 5,207,450.36 : x - Step 2: Convert to fraction form
20,353,543.16/30,530,159.20 = 5,207,450.36/x - Step 3: Cross multiply
20,353,543.16x = 30,530,159.20 × 5,207,450.36 - Step 4: Simplify right side
20,353,543.16x = 158,984,288,516,897.31 - Step 5: Solve for x
x = 158,984,288,516,897.31/20,353,543.16 - Step 6: Final answer
x = 7,811,135.75
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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.