Finding the Fourth Proportional to 7,315,621.92, 10,971,668.16 and 3,053,479.68
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Solution
The fourth proportional to 7,315,621.92, 10,971,668.16 and 3,053,479.68 is: 4,579,482.94
Step by Step Solution
- Step 1: Write the proportion equation
7,315,621.92 : 10,971,668.16 = 3,053,479.68 : x - Step 2: Convert to fraction form
7,315,621.92/10,971,668.16 = 3,053,479.68/x - Step 3: Cross multiply
7,315,621.92x = 10,971,668.16 × 3,053,479.68 - Step 4: Simplify right side
7,315,621.92x = 33,501,765,782,262.99 - Step 5: Solve for x
x = 33,501,765,782,262.99/7,315,621.92 - Step 6: Final answer
x = 4,579,482.94
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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.