Finding the Fourth Proportional to 7,918,362.38, 11,877,583.11 and 2,800,796.99
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Solution
The fourth proportional to 7,918,362.38, 11,877,583.11 and 2,800,796.99 is: 4,201,209.47
Step by Step Solution
- Step 1: Write the proportion equation
7,918,362.38 : 11,877,583.11 = 2,800,796.99 : x - Step 2: Convert to fraction form
7,918,362.38/11,877,583.11 = 2,800,796.99/x - Step 3: Cross multiply
7,918,362.38x = 11,877,583.11 × 2,800,796.99 - Step 4: Simplify right side
7,918,362.38x = 33,266,699,022,962.84 - Step 5: Solve for x
x = 33,266,699,022,962.84/7,918,362.38 - Step 6: Final answer
x = 4,201,209.47
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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.