Finding the Fourth Proportional to 12,120,796.97, 16,727,054.73 and 6,614,526.62
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Solution
The fourth proportional to 12,120,796.97, 16,727,054.73 and 6,614,526.62 is: 9,128,240.42
Step by Step Solution
- Step 1: Write the proportion equation
12,120,796.97 : 16,727,054.73 = 6,614,526.62 : x - Step 2: Convert to fraction form
12,120,796.97/16,727,054.73 = 6,614,526.62/x - Step 3: Cross multiply
12,120,796.97x = 16,727,054.73 × 6,614,526.62 - Step 4: Simplify right side
12,120,796.97x = 110,641,548,827,599.55 - Step 5: Solve for x
x = 110,641,548,827,599.55/12,120,796.97 - Step 6: Final answer
x = 9,128,240.42
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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.