Finding the Fourth Proportional to 7,154,482.32, 9,869,868.36 and 4,252,245.84
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Solution
The fourth proportional to 7,154,482.32, 9,869,868.36 and 4,252,245.84 is: 5,866,127.67
Step by Step Solution
- Step 1: Write the proportion equation
7,154,482.32 : 9,869,868.36 = 4,252,245.84 : x - Step 2: Convert to fraction form
7,154,482.32/9,869,868.36 = 4,252,245.84/x - Step 3: Cross multiply
7,154,482.32x = 9,869,868.36 × 4,252,245.84 - Step 4: Simplify right side
7,154,482.32x = 41,969,106,675,157.62 - Step 5: Solve for x
x = 41,969,106,675,157.62/7,154,482.32 - Step 6: Final answer
x = 5,866,127.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.