Finding the Fourth Proportional to 7,996,121.47, 11,994,172.47 and 2,604,763.09
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Solution
The fourth proportional to 7,996,121.47, 11,994,172.47 and 2,604,763.09 is: 3,907,141.46
Step by Step Solution
- Step 1: Write the proportion equation
7,996,121.47 : 11,994,172.47 = 2,604,763.09 : x - Step 2: Convert to fraction form
7,996,121.47/11,994,172.47 = 2,604,763.09/x - Step 3: Cross multiply
7,996,121.47x = 11,994,172.47 × 2,604,763.09 - Step 4: Simplify right side
7,996,121.47x = 31,241,977,744,950.13 - Step 5: Solve for x
x = 31,241,977,744,950.13/7,996,121.47 - Step 6: Final answer
x = 3,907,141.46
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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.