Finding the Fourth Proportional to 12,343,486.42, 18,515,290.98 and 5,060,923.96
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Solution
The fourth proportional to 12,343,486.42, 18,515,290.98 and 5,060,923.96 is: 7,591,411.09
Step by Step Solution
- Step 1: Write the proportion equation
12,343,486.42 : 18,515,290.98 = 5,060,923.96 : x - Step 2: Convert to fraction form
12,343,486.42/18,515,290.98 = 5,060,923.96/x - Step 3: Cross multiply
12,343,486.42x = 18,515,290.98 × 5,060,923.96 - Step 4: Simplify right side
12,343,486.42x = 93,704,479,747,053.88 - Step 5: Solve for x
x = 93,704,479,747,053.88/12,343,486.42 - Step 6: Final answer
x = 7,591,411.09
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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.