Finding the Fourth Proportional to 38,496,192.36, 57,708,407.16 and 19,304,523.78
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Solution
The fourth proportional to 38,496,192.36, 57,708,407.16 and 19,304,523.78 is: 28,938,792.39
Step by Step Solution
- Step 1: Write the proportion equation
38,496,192.36 : 57,708,407.16 = 19,304,523.78 : x - Step 2: Convert to fraction form
38,496,192.36/57,708,407.16 = 19,304,523.78/x - Step 3: Cross multiply
38,496,192.36x = 57,708,407.16 × 19,304,523.78 - Step 4: Simplify right side
38,496,192.36x = 1,114,033,318,326,142.25 - Step 5: Solve for x
x = 1,114,033,318,326,142.25/38,496,192.36 - Step 6: Final answer
x = 28,938,792.39
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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.