Finding the Fourth Proportional to 7,766,131.11, 11,646,661.24 and 2,577,346.84
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Solution
The fourth proportional to 7,766,131.11, 11,646,661.24 and 2,577,346.84 is: 3,865,178.83
Step by Step Solution
- Step 1: Write the proportion equation
7,766,131.11 : 11,646,661.24 = 2,577,346.84 : x - Step 2: Convert to fraction form
7,766,131.11/11,646,661.24 = 2,577,346.84/x - Step 3: Cross multiply
7,766,131.11x = 11,646,661.24 × 2,577,346.84 - Step 4: Simplify right side
7,766,131.11x = 30,017,485,543,464.48 - Step 5: Solve for x
x = 30,017,485,543,464.48/7,766,131.11 - Step 6: Final answer
x = 3,865,178.83
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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.