Finding the Fourth Proportional to 7,338,796.53, 11,011,851.94 and 3,298,173.09
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Solution
The fourth proportional to 7,338,796.53, 11,011,851.94 and 3,298,173.09 is: 4,948,903.21
Step by Step Solution
- Step 1: Write the proportion equation
7,338,796.53 : 11,011,851.94 = 3,298,173.09 : x - Step 2: Convert to fraction form
7,338,796.53/11,011,851.94 = 3,298,173.09/x - Step 3: Cross multiply
7,338,796.53x = 11,011,851.94 × 3,298,173.09 - Step 4: Simplify right side
7,338,796.53x = 36,318,993,696,216.49 - Step 5: Solve for x
x = 36,318,993,696,216.49/7,338,796.53 - Step 6: Final answer
x = 4,948,903.21
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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.