Finding the Fourth Proportional to 12,626,880.44, 17,423,794.68 and 9,320,933.48
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Solution
The fourth proportional to 12,626,880.44, 17,423,794.68 and 9,320,933.48 is: 12,861,928.32
Step by Step Solution
- Step 1: Write the proportion equation
12,626,880.44 : 17,423,794.68 = 9,320,933.48 : x - Step 2: Convert to fraction form
12,626,880.44/17,423,794.68 = 9,320,933.48/x - Step 3: Cross multiply
12,626,880.44x = 17,423,794.68 × 9,320,933.48 - Step 4: Simplify right side
12,626,880.44x = 162,406,031,094,338.91 - Step 5: Solve for x
x = 162,406,031,094,338.91/12,626,880.44 - Step 6: Final answer
x = 12,861,928.32
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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.