Finding the Fourth Proportional to 7,567,830.41, 11,353,239.53 and 2,775,561.20
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Solution
The fourth proportional to 7,567,830.41, 11,353,239.53 and 2,775,561.20 is: 4,163,889.70
Step by Step Solution
- Step 1: Write the proportion equation
7,567,830.41 : 11,353,239.53 = 2,775,561.20 : x - Step 2: Convert to fraction form
7,567,830.41/11,353,239.53 = 2,775,561.20/x - Step 3: Cross multiply
7,567,830.41x = 11,353,239.53 × 2,775,561.20 - Step 4: Simplify right side
7,567,830.41x = 31,511,611,063,130.23 - Step 5: Solve for x
x = 31,511,611,063,130.23/7,567,830.41 - Step 6: Final answer
x = 4,163,889.70
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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.