Finding the Fourth Proportional to 18,163,240.30, 27,244,958.87 and 4,700,068.30
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Solution
The fourth proportional to 18,163,240.30, 27,244,958.87 and 4,700,068.30 is: 7,050,127.92
Step by Step Solution
- Step 1: Write the proportion equation
18,163,240.30 : 27,244,958.87 = 4,700,068.30 : x - Step 2: Convert to fraction form
18,163,240.30/27,244,958.87 = 4,700,068.30/x - Step 3: Cross multiply
18,163,240.30x = 27,244,958.87 × 4,700,068.30 - Step 4: Simplify right side
18,163,240.30x = 128,053,167,463,328.59 - Step 5: Solve for x
x = 128,053,167,463,328.59/18,163,240.30 - Step 6: Final answer
x = 7,050,127.92
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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.