Finding the Fourth Proportional to 8,628,723.86, 11,907,625.73 and 4,761,243.99
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Solution
The fourth proportional to 8,628,723.86, 11,907,625.73 and 4,761,243.99 is: 6,570,509.43
Step by Step Solution
- Step 1: Write the proportion equation
8,628,723.86 : 11,907,625.73 = 4,761,243.99 : x - Step 2: Convert to fraction form
8,628,723.86/11,907,625.73 = 4,761,243.99/x - Step 3: Cross multiply
8,628,723.86x = 11,907,625.73 × 4,761,243.99 - Step 4: Simplify right side
8,628,723.86x = 56,695,111,418,325.64 - Step 5: Solve for x
x = 56,695,111,418,325.64/8,628,723.86 - Step 6: Final answer
x = 6,570,509.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.