Finding the Fourth Proportional to 7,015,571.70, 10,523,652.80 and 2,223,450.12
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Solution
The fourth proportional to 7,015,571.70, 10,523,652.80 and 2,223,450.12 is: 3,335,268.75
Step by Step Solution
- Step 1: Write the proportion equation
7,015,571.70 : 10,523,652.80 = 2,223,450.12 : x - Step 2: Convert to fraction form
7,015,571.70/10,523,652.80 = 2,223,450.12/x - Step 3: Cross multiply
7,015,571.70x = 10,523,652.80 × 2,223,450.12 - Step 4: Simplify right side
7,015,571.70x = 23,398,817,069,881.09 - Step 5: Solve for x
x = 23,398,817,069,881.09/7,015,571.70 - Step 6: Final answer
x = 3,335,268.75
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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.