Finding the Fourth Proportional to 10,535,121.76, 15,790,484.04 and 4,843,400.80
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Solution
The fourth proportional to 10,535,121.76, 15,790,484.04 and 4,843,400.80 is: 7,259,493.03
Step by Step Solution
- Step 1: Write the proportion equation
10,535,121.76 : 15,790,484.04 = 4,843,400.80 : x - Step 2: Convert to fraction form
10,535,121.76/15,790,484.04 = 4,843,400.80/x - Step 3: Cross multiply
10,535,121.76x = 15,790,484.04 × 4,843,400.80 - Step 4: Simplify right side
10,535,121.76x = 76,479,643,031,723.22 - Step 5: Solve for x
x = 76,479,643,031,723.22/10,535,121.76 - Step 6: Final answer
x = 7,259,493.03
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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.