Finding the Fourth Proportional to 19,873,613.12, 27,421,532.04 and 11,612,078.24
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Solution
The fourth proportional to 19,873,613.12, 27,421,532.04 and 11,612,078.24 is: 16,022,299.20
Step by Step Solution
- Step 1: Write the proportion equation
19,873,613.12 : 27,421,532.04 = 11,612,078.24 : x - Step 2: Convert to fraction form
19,873,613.12/27,421,532.04 = 11,612,078.24/x - Step 3: Cross multiply
19,873,613.12x = 27,421,532.04 × 11,612,078.24 - Step 4: Simplify right side
19,873,613.12x = 318,420,975,509,146.81 - Step 5: Solve for x
x = 318,420,975,509,146.81/19,873,613.12 - Step 6: Final answer
x = 16,022,299.20
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.