Finding the Fourth Proportional to 13,236,168.23, 19,854,267.92 and 4,138,313.57
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Solution
The fourth proportional to 13,236,168.23, 19,854,267.92 and 4,138,313.57 is: 6,207,475.22
Step by Step Solution
- Step 1: Write the proportion equation
13,236,168.23 : 19,854,267.92 = 4,138,313.57 : x - Step 2: Convert to fraction form
13,236,168.23/19,854,267.92 = 4,138,313.57/x - Step 3: Cross multiply
13,236,168.23x = 19,854,267.92 × 4,138,313.57 - Step 4: Simplify right side
13,236,168.23x = 82,163,186,335,060.09 - Step 5: Solve for x
x = 82,163,186,335,060.09/13,236,168.23 - Step 6: Final answer
x = 6,207,475.22
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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.