Finding the Fourth Proportional to 38,651,595.49, 57,975,880.11 and 13,092,604.90
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Solution
The fourth proportional to 38,651,595.49, 57,975,880.11 and 13,092,604.90 is: 19,638,394.80
Step by Step Solution
- Step 1: Write the proportion equation
38,651,595.49 : 57,975,880.11 = 13,092,604.90 : x - Step 2: Convert to fraction form
38,651,595.49/57,975,880.11 = 13,092,604.90/x - Step 3: Cross multiply
38,651,595.49x = 57,975,880.11 × 13,092,604.90 - Step 4: Simplify right side
38,651,595.49x = 759,055,291,815,961.62 - Step 5: Solve for x
x = 759,055,291,815,961.62/38,651,595.49 - Step 6: Final answer
x = 19,638,394.80
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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.