Finding the Fourth Proportional to 18,532,332.42, 27,811,057.42 and 7,604,497.65
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Solution
The fourth proportional to 18,532,332.42, 27,811,057.42 and 7,604,497.65 is: 11,411,899.81
Step by Step Solution
- Step 1: Write the proportion equation
18,532,332.42 : 27,811,057.42 = 7,604,497.65 : x - Step 2: Convert to fraction form
18,532,332.42/27,811,057.42 = 7,604,497.65/x - Step 3: Cross multiply
18,532,332.42x = 27,811,057.42 × 7,604,497.65 - Step 4: Simplify right side
18,532,332.42x = 211,489,120,794,405.09 - Step 5: Solve for x
x = 211,489,120,794,405.09/18,532,332.42 - Step 6: Final answer
x = 11,411,899.81
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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.