Finding the Fourth Proportional to 7,554,871.68, 11,328,152.21 and 5,161,418.88
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Solution
The fourth proportional to 7,554,871.68, 11,328,152.21 and 5,161,418.88 is: 7,739,289.45
Step by Step Solution
- Step 1: Write the proportion equation
7,554,871.68 : 11,328,152.21 = 5,161,418.88 : x - Step 2: Convert to fraction form
7,554,871.68/11,328,152.21 = 5,161,418.88/x - Step 3: Cross multiply
7,554,871.68x = 11,328,152.21 × 5,161,418.88 - Step 4: Simplify right side
7,554,871.68x = 58,469,338,692,207.73 - Step 5: Solve for x
x = 58,469,338,692,207.73/7,554,871.68 - Step 6: Final answer
x = 7,739,289.45
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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.