Finding the Fourth Proportional to 11,585,912.40, 17,385,089.40 and 4,855,006.80
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Solution
The fourth proportional to 11,585,912.40, 17,385,089.40 and 4,855,006.80 is: 7,285,116.99
Step by Step Solution
- Step 1: Write the proportion equation
11,585,912.40 : 17,385,089.40 = 4,855,006.80 : x - Step 2: Convert to fraction form
11,585,912.40/17,385,089.40 = 4,855,006.80/x - Step 3: Cross multiply
11,585,912.40x = 17,385,089.40 × 4,855,006.80 - Step 4: Simplify right side
11,585,912.40x = 84,404,727,255,607.91 - Step 5: Solve for x
x = 84,404,727,255,607.91/11,585,912.40 - Step 6: Final answer
x = 7,285,116.99
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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.