Finding the Fourth Proportional to 40,726,244.38, 56,201,721.84 and 30,318,759.58
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Solution
The fourth proportional to 40,726,244.38, 56,201,721.84 and 30,318,759.58 is: 41,839,519.42
Step by Step Solution
- Step 1: Write the proportion equation
40,726,244.38 : 56,201,721.84 = 30,318,759.58 : x - Step 2: Convert to fraction form
40,726,244.38/56,201,721.84 = 30,318,759.58/x - Step 3: Cross multiply
40,726,244.38x = 56,201,721.84 × 30,318,759.58 - Step 4: Simplify right side
40,726,244.38x = 1,703,966,492,448,995.25 - Step 5: Solve for x
x = 1,703,966,492,448,995.25/40,726,244.38 - Step 6: Final answer
x = 41,839,519.42
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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.