Finding the Fourth Proportional to 20,402,493.70, 30,596,596.35 and 6,021,753.70
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Solution
The fourth proportional to 20,402,493.70, 30,596,596.35 and 6,021,753.70 is: 9,030,521.95
Step by Step Solution
- Step 1: Write the proportion equation
20,402,493.70 : 30,596,596.35 = 6,021,753.70 : x - Step 2: Convert to fraction form
20,402,493.70/30,596,596.35 = 6,021,753.70/x - Step 3: Cross multiply
20,402,493.70x = 30,596,596.35 × 6,021,753.70 - Step 4: Simplify right side
20,402,493.70x = 184,245,167,278,019 - Step 5: Solve for x
x = 184,245,167,278,019/20,402,493.70 - Step 6: Final answer
x = 9,030,521.95
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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.