Finding the Fourth Proportional to 13,290,884.46, 19,939,689.18 and 3,706,263.99
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Solution
The fourth proportional to 13,290,884.46, 19,939,689.18 and 3,706,263.99 is: 5,560,333.64
Step by Step Solution
- Step 1: Write the proportion equation
13,290,884.46 : 19,939,689.18 = 3,706,263.99 : x - Step 2: Convert to fraction form
13,290,884.46/19,939,689.18 = 3,706,263.99/x - Step 3: Cross multiply
13,290,884.46x = 19,939,689.18 × 3,706,263.99 - Step 4: Simplify right side
13,290,884.46x = 73,901,751,979,626.62 - Step 5: Solve for x
x = 73,901,751,979,626.62/13,290,884.46 - Step 6: Final answer
x = 5,560,333.64
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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.