Finding the Fourth Proportional to 21,652,708.14, 29,880,736.47 and 11,863,523.16
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Solution
The fourth proportional to 21,652,708.14, 29,880,736.47 and 11,863,523.16 is: 16,371,661.54
Step by Step Solution
- Step 1: Write the proportion equation
21,652,708.14 : 29,880,736.47 = 11,863,523.16 : x - Step 2: Convert to fraction form
21,652,708.14/29,880,736.47 = 11,863,523.16/x - Step 3: Cross multiply
21,652,708.14x = 29,880,736.47 × 11,863,523.16 - Step 4: Simplify right side
21,652,708.14x = 354,490,809,149,701.62 - Step 5: Solve for x
x = 354,490,809,149,701.62/21,652,708.14 - Step 6: Final answer
x = 16,371,661.54
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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.