Finding the Fourth Proportional to 10,661,509.68, 15,992,251.56 and 3,473,031.84
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Solution
The fourth proportional to 10,661,509.68, 15,992,251.56 and 3,473,031.84 is: 5,209,543.54
Step by Step Solution
- Step 1: Write the proportion equation
10,661,509.68 : 15,992,251.56 = 3,473,031.84 : x - Step 2: Convert to fraction form
10,661,509.68/15,992,251.56 = 3,473,031.84/x - Step 3: Cross multiply
10,661,509.68x = 15,992,251.56 × 3,473,031.84 - Step 4: Simplify right side
10,661,509.68x = 55,541,598,861,169.67 - Step 5: Solve for x
x = 55,541,598,861,169.67/10,661,509.68 - Step 6: Final answer
x = 5,209,543.54
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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.