Finding the Fourth Proportional to 19,570,608.20, 29,355,912.30 and 15,539,529.80
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Solution
The fourth proportional to 19,570,608.20, 29,355,912.30 and 15,539,529.80 is: 23,309,294.70
Step by Step Solution
- Step 1: Write the proportion equation
19,570,608.20 : 29,355,912.30 = 15,539,529.80 : x - Step 2: Convert to fraction form
19,570,608.20/29,355,912.30 = 15,539,529.80/x - Step 3: Cross multiply
19,570,608.20x = 29,355,912.30 × 15,539,529.80 - Step 4: Simplify right side
19,570,608.20x = 456,177,073,992,036.56 - Step 5: Solve for x
x = 456,177,073,992,036.56/19,570,608.20 - Step 6: Final answer
x = 23,309,294.70
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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.