Finding the Fourth Proportional to 7,631,297.36, 11,438,421.24 and 3,308,356.88
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Solution
The fourth proportional to 7,631,297.36, 11,438,421.24 and 3,308,356.88 is: 4,958,839.61
Step by Step Solution
- Step 1: Write the proportion equation
7,631,297.36 : 11,438,421.24 = 3,308,356.88 : x - Step 2: Convert to fraction form
7,631,297.36/11,438,421.24 = 3,308,356.88/x - Step 3: Cross multiply
7,631,297.36x = 11,438,421.24 × 3,308,356.88 - Step 4: Simplify right side
7,631,297.36x = 37,842,379,605,692.13 - Step 5: Solve for x
x = 37,842,379,605,692.13/7,631,297.36 - Step 6: Final answer
x = 4,958,839.61
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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.