Finding the Fourth Proportional to 18,378,529.65, 27,567,794.48 and 18,378,529.65
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Solution
The fourth proportional to 18,378,529.65, 27,567,794.48 and 18,378,529.65 is: 27,567,794.48
Step by Step Solution
- Step 1: Write the proportion equation
18,378,529.65 : 27,567,794.48 = 18,378,529.65 : x - Step 2: Convert to fraction form
18,378,529.65/27,567,794.48 = 18,378,529.65/x - Step 3: Cross multiply
18,378,529.65x = 27,567,794.48 × 18,378,529.65 - Step 4: Simplify right side
18,378,529.65x = 506,655,528,143,893.69 - Step 5: Solve for x
x = 506,655,528,143,893.69/18,378,529.65 - Step 6: Final answer
x = 27,567,794.48
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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.