Finding the Fourth Proportional to 11,657,463.80, 17,486,195.70 and 6,618,615.80
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Solution
The fourth proportional to 11,657,463.80, 17,486,195.70 and 6,618,615.80 is: 9,927,923.70
Step by Step Solution
- Step 1: Write the proportion equation
11,657,463.80 : 17,486,195.70 = 6,618,615.80 : x - Step 2: Convert to fraction form
11,657,463.80/17,486,195.70 = 6,618,615.80/x - Step 3: Cross multiply
11,657,463.80x = 17,486,195.70 × 6,618,615.80 - Step 4: Simplify right side
11,657,463.80x = 115,734,411,141,912.05 - Step 5: Solve for x
x = 115,734,411,141,912.05/11,657,463.80 - Step 6: Final answer
x = 9,927,923.70
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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.