Finding the Fourth Proportional to 10,765,591.20, 16,151,497.20 and 3,192,739.20
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Solution
The fourth proportional to 10,765,591.20, 16,151,497.20 and 3,192,739.20 is: 4,790,031.25
Step by Step Solution
- Step 1: Write the proportion equation
10,765,591.20 : 16,151,497.20 = 3,192,739.20 : x - Step 2: Convert to fraction form
10,765,591.20/16,151,497.20 = 3,192,739.20/x - Step 3: Cross multiply
10,765,591.20x = 16,151,497.20 × 3,192,739.20 - Step 4: Simplify right side
10,765,591.20x = 51,567,518,249,130.24 - Step 5: Solve for x
x = 51,567,518,249,130.24/10,765,591.20 - Step 6: Final answer
x = 4,790,031.25
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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.