Finding the Fourth Proportional to 38,503,479.80, 57,755,219.70 and 15,776,823.80
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Solution
The fourth proportional to 38,503,479.80, 57,755,219.70 and 15,776,823.80 is: 23,665,235.70
Step by Step Solution
- Step 1: Write the proportion equation
38,503,479.80 : 57,755,219.70 = 15,776,823.80 : x - Step 2: Convert to fraction form
38,503,479.80/57,755,219.70 = 15,776,823.80/x - Step 3: Cross multiply
38,503,479.80x = 57,755,219.70 × 15,776,823.80 - Step 4: Simplify right side
38,503,479.80x = 911,193,924,737,189 - Step 5: Solve for x
x = 911,193,924,737,189/38,503,479.80 - Step 6: Final answer
x = 23,665,235.70
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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.