Finding the Fourth Proportional to 10,255,340.20, 15,362,735.10 and 8,994,591.40
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Solution
The fourth proportional to 10,255,340.20, 15,362,735.10 and 8,994,591.40 is: 13,474,104.45
Step by Step Solution
- Step 1: Write the proportion equation
10,255,340.20 : 15,362,735.10 = 8,994,591.40 : x - Step 2: Convert to fraction form
10,255,340.20/15,362,735.10 = 8,994,591.40/x - Step 3: Cross multiply
10,255,340.20x = 15,362,735.10 × 8,994,591.40 - Step 4: Simplify right side
10,255,340.20x = 138,181,525,010,938.14 - Step 5: Solve for x
x = 138,181,525,010,938.14/10,255,340.20 - Step 6: Final answer
x = 13,474,104.45
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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.