Finding the Fourth Proportional to 7,661,216.86, 10,572,596.49 and 4,176,557.98
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Solution
The fourth proportional to 7,661,216.86, 10,572,596.49 and 4,176,557.98 is: 5,763,713.92
Step by Step Solution
- Step 1: Write the proportion equation
7,661,216.86 : 10,572,596.49 = 4,176,557.98 : x - Step 2: Convert to fraction form
7,661,216.86/10,572,596.49 = 4,176,557.98/x - Step 3: Cross multiply
7,661,216.86x = 10,572,596.49 × 4,176,557.98 - Step 4: Simplify right side
7,661,216.86x = 44,157,062,239,629.49 - Step 5: Solve for x
x = 44,157,062,239,629.49/7,661,216.86 - Step 6: Final answer
x = 5,763,713.92
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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.