Finding the Fourth Proportional to 17,278,857.93, 23,842,792.40 and 9,543,438.93
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Solution
The fourth proportional to 17,278,857.93, 23,842,792.40 and 9,543,438.93 is: 13,168,823.66
Step by Step Solution
- Step 1: Write the proportion equation
17,278,857.93 : 23,842,792.40 = 9,543,438.93 : x - Step 2: Convert to fraction form
17,278,857.93/23,842,792.40 = 9,543,438.93/x - Step 3: Cross multiply
17,278,857.93x = 23,842,792.40 × 9,543,438.93 - Step 4: Simplify right side
17,278,857.93x = 227,542,233,231,761.41 - Step 5: Solve for x
x = 227,542,233,231,761.41/17,278,857.93 - Step 6: Final answer
x = 13,168,823.66
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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.