Finding the Fourth Proportional to 26,080,986.99, 35,989,956.42 and 14,477,633.31
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Solution
The fourth proportional to 26,080,986.99, 35,989,956.42 and 14,477,633.31 is: 19,978,131.66
Step by Step Solution
- Step 1: Write the proportion equation
26,080,986.99 : 35,989,956.42 = 14,477,633.31 : x - Step 2: Convert to fraction form
26,080,986.99/35,989,956.42 = 14,477,633.31/x - Step 3: Cross multiply
26,080,986.99x = 35,989,956.42 × 14,477,633.31 - Step 4: Simplify right side
26,080,986.99x = 521,049,391,891,640.38 - Step 5: Solve for x
x = 521,049,391,891,640.38/26,080,986.99 - Step 6: Final answer
x = 19,978,131.66
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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.