Finding the Fourth Proportional to 10,808,944.20, 16,204,259.55 and 4,739,076.09
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Solution
The fourth proportional to 10,808,944.20, 16,204,259.55 and 4,739,076.09 is: 7,104,599.45
Step by Step Solution
- Step 1: Write the proportion equation
10,808,944.20 : 16,204,259.55 = 4,739,076.09 : x - Step 2: Convert to fraction form
10,808,944.20/16,204,259.55 = 4,739,076.09/x - Step 3: Cross multiply
10,808,944.20x = 16,204,259.55 × 4,739,076.09 - Step 4: Simplify right side
10,808,944.20x = 76,793,218,989,559.16 - Step 5: Solve for x
x = 76,793,218,989,559.16/10,808,944.20 - Step 6: Final answer
x = 7,104,599.45
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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.