Finding the Fourth Proportional to 28,738,936.86, 43,115,268.84 and 9,569,859.99
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Solution
The fourth proportional to 28,738,936.86, 43,115,268.84 and 9,569,859.99 is: 14,357,075.50
Step by Step Solution
- Step 1: Write the proportion equation
28,738,936.86 : 43,115,268.84 = 9,569,859.99 : x - Step 2: Convert to fraction form
28,738,936.86/43,115,268.84 = 9,569,859.99/x - Step 3: Cross multiply
28,738,936.86x = 43,115,268.84 × 9,569,859.99 - Step 4: Simplify right side
28,738,936.86x = 412,607,086,230,009.75 - Step 5: Solve for x
x = 412,607,086,230,009.75/28,738,936.86 - Step 6: Final answer
x = 14,357,075.50
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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.