Finding the Fourth Proportional to 8,344,431.16, 12,520,918.41 and 3,972,518.26
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Solution
The fourth proportional to 8,344,431.16, 12,520,918.41 and 3,972,518.26 is: 5,960,811.00
Step by Step Solution
- Step 1: Write the proportion equation
8,344,431.16 : 12,520,918.41 = 3,972,518.26 : x - Step 2: Convert to fraction form
8,344,431.16/12,520,918.41 = 3,972,518.26/x - Step 3: Cross multiply
8,344,431.16x = 12,520,918.41 × 3,972,518.26 - Step 4: Simplify right side
8,344,431.16x = 49,739,577,015,695.16 - Step 5: Solve for x
x = 49,739,577,015,695.16/8,344,431.16 - Step 6: Final answer
x = 5,960,811.00
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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.