Finding the Fourth Proportional to 39,147,143.40, 58,728,277.16 and 14,884,183.80
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Solution
The fourth proportional to 39,147,143.40, 58,728,277.16 and 14,884,183.80 is: 22,329,150.88
Step by Step Solution
- Step 1: Write the proportion equation
39,147,143.40 : 58,728,277.16 = 14,884,183.80 : x - Step 2: Convert to fraction form
39,147,143.40/58,728,277.16 = 14,884,183.80/x - Step 3: Cross multiply
39,147,143.40x = 58,728,277.16 × 14,884,183.80 - Step 4: Simplify right side
39,147,143.40x = 874,122,471,506,782 - Step 5: Solve for x
x = 874,122,471,506,782/39,147,143.40 - Step 6: Final answer
x = 22,329,150.88
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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.