Finding the Fourth Proportional to 12,418,693.24, 17,135,664.06 and 11,414,143.12
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Solution
The fourth proportional to 12,418,693.24, 17,135,664.06 and 11,414,143.12 is: 15,749,557.40
Step by Step Solution
- Step 1: Write the proportion equation
12,418,693.24 : 17,135,664.06 = 11,414,143.12 : x - Step 2: Convert to fraction form
12,418,693.24/17,135,664.06 = 11,414,143.12/x - Step 3: Cross multiply
12,418,693.24x = 17,135,664.06 × 11,414,143.12 - Step 4: Simplify right side
12,418,693.24x = 195,588,922,037,080.25 - Step 5: Solve for x
x = 195,588,922,037,080.25/12,418,693.24 - Step 6: Final answer
x = 15,749,557.40
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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.