Finding the Fourth Proportional to 7,634,393.91, 10,535,474.97 and 4,196,655.90
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Solution
The fourth proportional to 7,634,393.91, 10,535,474.97 and 4,196,655.90 is: 5,791,391.39
Step by Step Solution
- Step 1: Write the proportion equation
7,634,393.91 : 10,535,474.97 = 4,196,655.90 : x - Step 2: Convert to fraction form
7,634,393.91/10,535,474.97 = 4,196,655.90/x - Step 3: Cross multiply
7,634,393.91x = 10,535,474.97 × 4,196,655.90 - Step 4: Simplify right side
7,634,393.91x = 44,213,763,192,152.83 - Step 5: Solve for x
x = 44,213,763,192,152.83/7,634,393.91 - Step 6: Final answer
x = 5,791,391.39
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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.