Finding the Fourth Proportional to 21,359,806.49, 29,476,674.49 and 11,570,250.68
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Solution
The fourth proportional to 21,359,806.49, 29,476,674.49 and 11,570,250.68 is: 15,967,022.60
Step by Step Solution
- Step 1: Write the proportion equation
21,359,806.49 : 29,476,674.49 = 11,570,250.68 : x - Step 2: Convert to fraction form
21,359,806.49/29,476,674.49 = 11,570,250.68/x - Step 3: Cross multiply
21,359,806.49x = 29,476,674.49 × 11,570,250.68 - Step 4: Simplify right side
21,359,806.49x = 341,052,513,062,061.12 - Step 5: Solve for x
x = 341,052,513,062,061.12/21,359,806.49 - Step 6: Final answer
x = 15,967,022.60
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.