Finding the Fourth Proportional to 13,362,260.70, 20,044,047.15 and 6,984,968.70
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Solution
The fourth proportional to 13,362,260.70, 20,044,047.15 and 6,984,968.70 is: 10,477,796.02
Step by Step Solution
- Step 1: Write the proportion equation
13,362,260.70 : 20,044,047.15 = 6,984,968.70 : x - Step 2: Convert to fraction form
13,362,260.70/20,044,047.15 = 6,984,968.70/x - Step 3: Cross multiply
13,362,260.70x = 20,044,047.15 × 6,984,968.70 - Step 4: Simplify right side
13,362,260.70x = 140,007,041,964,074.20 - Step 5: Solve for x
x = 140,007,041,964,074.20/13,362,260.70 - Step 6: Final answer
x = 10,477,796.02
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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.