Finding the Fourth Proportional to 27,980,681.01, 41,978,808.12 and 12,207,571.08
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Solution
The fourth proportional to 27,980,681.01, 41,978,808.12 and 12,207,571.08 is: 18,314,753.80
Step by Step Solution
- Step 1: Write the proportion equation
27,980,681.01 : 41,978,808.12 = 12,207,571.08 : x - Step 2: Convert to fraction form
27,980,681.01/41,978,808.12 = 12,207,571.08/x - Step 3: Cross multiply
27,980,681.01x = 41,978,808.12 × 12,207,571.08 - Step 4: Simplify right side
27,980,681.01x = 512,459,283,978,581.12 - Step 5: Solve for x
x = 512,459,283,978,581.12/27,980,681.01 - Step 6: Final answer
x = 18,314,753.80
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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.