Finding the Fourth Proportional to 18,349,391.28, 27,523,463.55 and 4,702,671.66
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Solution
The fourth proportional to 18,349,391.28, 27,523,463.55 and 4,702,671.66 is: 7,053,847.73
Step by Step Solution
- Step 1: Write the proportion equation
18,349,391.28 : 27,523,463.55 = 4,702,671.66 : x - Step 2: Convert to fraction form
18,349,391.28/27,523,463.55 = 4,702,671.66/x - Step 3: Cross multiply
18,349,391.28x = 27,523,463.55 × 4,702,671.66 - Step 4: Simplify right side
18,349,391.28x = 129,433,812,021,628 - Step 5: Solve for x
x = 129,433,812,021,628/18,349,391.28 - Step 6: Final answer
x = 7,053,847.73
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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.