Finding the Fourth Proportional to 20,673,724.97, 30,991,424.18 and 9,153,052.90
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Solution
The fourth proportional to 20,673,724.97, 30,991,424.18 and 9,153,052.90 is: 13,721,095.03
Step by Step Solution
- Step 1: Write the proportion equation
20,673,724.97 : 30,991,424.18 = 9,153,052.90 : x - Step 2: Convert to fraction form
20,673,724.97/30,991,424.18 = 9,153,052.90/x - Step 3: Cross multiply
20,673,724.97x = 30,991,424.18 × 9,153,052.90 - Step 4: Simplify right side
20,673,724.97x = 283,666,145,016,962.06 - Step 5: Solve for x
x = 283,666,145,016,962.06/20,673,724.97 - Step 6: Final answer
x = 13,721,095.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.