Finding the Fourth Proportional to 17,163,685.47, 25,745,129.69 and 8,641,733.79
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Solution
The fourth proportional to 17,163,685.47, 25,745,129.69 and 8,641,733.79 is: 12,962,400.03
Step by Step Solution
- Step 1: Write the proportion equation
17,163,685.47 : 25,745,129.69 = 8,641,733.79 : x - Step 2: Convert to fraction form
17,163,685.47/25,745,129.69 = 8,641,733.79/x - Step 3: Cross multiply
17,163,685.47x = 25,745,129.69 × 8,641,733.79 - Step 4: Simplify right side
17,163,685.47x = 222,482,557,126,796.53 - Step 5: Solve for x
x = 222,482,557,126,796.53/17,163,685.47 - Step 6: Final answer
x = 12,962,400.03
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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.