Finding the Fourth Proportional to 23,302,707.97, 32,171,515.59 and 20,717,235.13
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Solution
The fourth proportional to 23,302,707.97, 32,171,515.59 and 20,717,235.13 is: 28,602,034.31
Step by Step Solution
- Step 1: Write the proportion equation
23,302,707.97 : 32,171,515.59 = 20,717,235.13 : x - Step 2: Convert to fraction form
23,302,707.97/32,171,515.59 = 20,717,235.13/x - Step 3: Cross multiply
23,302,707.97x = 32,171,515.59 × 20,717,235.13 - Step 4: Simplify right side
23,302,707.97x = 666,504,852,966,490.62 - Step 5: Solve for x
x = 666,504,852,966,490.62/23,302,707.97 - Step 6: Final answer
x = 28,602,034.31
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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.