Finding the Fourth Proportional to 17,667,517.80, 26,503,026.30 and 6,151,213.20
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Solution
The fourth proportional to 17,667,517.80, 26,503,026.30 and 6,151,213.20 is: 9,227,428.95
Step by Step Solution
- Step 1: Write the proportion equation
17,667,517.80 : 26,503,026.30 = 6,151,213.20 : x - Step 2: Convert to fraction form
17,667,517.80/26,503,026.30 = 6,151,213.20/x - Step 3: Cross multiply
17,667,517.80x = 26,503,026.30 × 6,151,213.20 - Step 4: Simplify right side
17,667,517.80x = 163,025,765,216,507.16 - Step 5: Solve for x
x = 163,025,765,216,507.16/17,667,517.80 - Step 6: Final answer
x = 9,227,428.95
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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.