Finding the Fourth Proportional to 20,605,758.23, 30,902,074.68 and 6,769,505.28
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Solution
The fourth proportional to 20,605,758.23, 30,902,074.68 and 6,769,505.28 is: 10,152,101.92
Step by Step Solution
- Step 1: Write the proportion equation
20,605,758.23 : 30,902,074.68 = 6,769,505.28 : x - Step 2: Convert to fraction form
20,605,758.23/30,902,074.68 = 6,769,505.28/x - Step 3: Cross multiply
20,605,758.23x = 30,902,074.68 × 6,769,505.28 - Step 4: Simplify right side
20,605,758.23x = 209,191,757,709,214.31 - Step 5: Solve for x
x = 209,191,757,709,214.31/20,605,758.23 - Step 6: Final answer
x = 10,152,101.92
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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.