Finding the Fourth Proportional to 12,227,844.40, 18,341,754.55 and 3,129,927.48
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Solution
The fourth proportional to 12,227,844.40, 18,341,754.55 and 3,129,927.48 is: 4,694,888.14
Step by Step Solution
- Step 1: Write the proportion equation
12,227,844.40 : 18,341,754.55 = 3,129,927.48 : x - Step 2: Convert to fraction form
12,227,844.40/18,341,754.55 = 3,129,927.48/x - Step 3: Cross multiply
12,227,844.40x = 18,341,754.55 × 3,129,927.48 - Step 4: Simplify right side
12,227,844.40x = 57,408,361,589,635.21 - Step 5: Solve for x
x = 57,408,361,589,635.21/12,227,844.40 - Step 6: Final answer
x = 4,694,888.14
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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.