Finding the Fourth Proportional to 18,480,156.87, 27,700,687.68 and 6,960,639.81
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Solution
The fourth proportional to 18,480,156.87, 27,700,687.68 and 6,960,639.81 is: 10,433,597.01
Step by Step Solution
- Step 1: Write the proportion equation
18,480,156.87 : 27,700,687.68 = 6,960,639.81 : x - Step 2: Convert to fraction form
18,480,156.87/27,700,687.68 = 6,960,639.81/x - Step 3: Cross multiply
18,480,156.87x = 27,700,687.68 × 6,960,639.81 - Step 4: Simplify right side
18,480,156.87x = 192,814,509,429,784.53 - Step 5: Solve for x
x = 192,814,509,429,784.53/18,480,156.87 - Step 6: Final answer
x = 10,433,597.01
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1.5x scale
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.