Finding the Fourth Proportional to 12,267,990.16, 18,402,175.84 and 3,632,964.08
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Solution
The fourth proportional to 12,267,990.16, 18,402,175.84 and 3,632,964.08 is: 5,449,502.56
Step by Step Solution
- Step 1: Write the proportion equation
12,267,990.16 : 18,402,175.84 = 3,632,964.08 : x - Step 2: Convert to fraction form
12,267,990.16/18,402,175.84 = 3,632,964.08/x - Step 3: Cross multiply
12,267,990.16x = 18,402,175.84 × 3,632,964.08 - Step 4: Simplify right side
12,267,990.16x = 66,854,443,820,563.83 - Step 5: Solve for x
x = 66,854,443,820,563.83/12,267,990.16 - Step 6: Final answer
x = 5,449,502.56
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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.