Finding the Fourth Proportional to 38,839,686, 58,181,469.48 and 19,350,157.68
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Solution
The fourth proportional to 38,839,686, 58,181,469.48 and 19,350,157.68 is: 28,986,346.81
Step by Step Solution
- Step 1: Write the proportion equation
38,839,686 : 58,181,469.48 = 19,350,157.68 : x - Step 2: Convert to fraction form
38,839,686/58,181,469.48 = 19,350,157.68/x - Step 3: Cross multiply
38,839,686x = 58,181,469.48 × 19,350,157.68 - Step 4: Simplify right side
38,839,686x = 1,125,820,608,492,107.50 - Step 5: Solve for x
x = 1,125,820,608,492,107.50/38,839,686 - Step 6: Final answer
x = 28,986,346.81
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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.