Finding the Fourth Proportional to 38,666,405.23, 57,987,203.00 and 12,752,880.98
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Solution
The fourth proportional to 38,666,405.23, 57,987,203.00 and 12,752,880.98 is: 19,125,230.12
Step by Step Solution
- Step 1: Write the proportion equation
38,666,405.23 : 57,987,203.00 = 12,752,880.98 : x - Step 2: Convert to fraction form
38,666,405.23/57,987,203.00 = 12,752,880.98/x - Step 3: Cross multiply
38,666,405.23x = 57,987,203.00 × 12,752,880.98 - Step 4: Simplify right side
38,666,405.23x = 739,503,897,868,398.50 - Step 5: Solve for x
x = 739,503,897,868,398.50/38,666,405.23 - Step 6: Final answer
x = 19,125,230.12
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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.