Finding the Fourth Proportional to 17,891,175.66, 26,811,934.84 and 8,151,987.36
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Solution
The fourth proportional to 17,891,175.66, 26,811,934.84 and 8,151,987.36 is: 12,216,668.05
Step by Step Solution
- Step 1: Write the proportion equation
17,891,175.66 : 26,811,934.84 = 8,151,987.36 : x - Step 2: Convert to fraction form
17,891,175.66/26,811,934.84 = 8,151,987.36/x - Step 3: Cross multiply
17,891,175.66x = 26,811,934.84 × 8,151,987.36 - Step 4: Simplify right side
17,891,175.66x = 218,570,554,023,558.34 - Step 5: Solve for x
x = 218,570,554,023,558.34/17,891,175.66 - Step 6: Final answer
x = 12,216,668.05
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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.