Finding the Fourth Proportional to 18,425,666.68, 27,581,812.98 and 12,022,130.68
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Solution
The fourth proportional to 18,425,666.68, 27,581,812.98 and 12,022,130.68 is: 17,996,209.62
Step by Step Solution
- Step 1: Write the proportion equation
18,425,666.68 : 27,581,812.98 = 12,022,130.68 : x - Step 2: Convert to fraction form
18,425,666.68/27,581,812.98 = 12,022,130.68/x - Step 3: Cross multiply
18,425,666.68x = 27,581,812.98 × 12,022,130.68 - Step 4: Simplify right side
18,425,666.68x = 331,592,160,036,880.25 - Step 5: Solve for x
x = 331,592,160,036,880.25/18,425,666.68 - Step 6: Final answer
x = 17,996,209.62
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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.