Finding the Fourth Proportional to 17,362,490.81, 23,955,350.68 and 13,679,991.05
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Solution
The fourth proportional to 17,362,490.81, 23,955,350.68 and 13,679,991.05 is: 18,874,537.44
Step by Step Solution
- Step 1: Write the proportion equation
17,362,490.81 : 23,955,350.68 = 13,679,991.05 : x - Step 2: Convert to fraction form
17,362,490.81/23,955,350.68 = 13,679,991.05/x - Step 3: Cross multiply
17,362,490.81x = 23,955,350.68 × 13,679,991.05 - Step 4: Simplify right side
17,362,490.81x = 327,708,982,902,011.44 - Step 5: Solve for x
x = 327,708,982,902,011.44/17,362,490.81 - Step 6: Final answer
x = 18,874,537.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.