Finding the Fourth Proportional to 12,185,182.14, 16,823,208.78 and 7,841,833.08
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Solution
The fourth proportional to 12,185,182.14, 16,823,208.78 and 7,841,833.08 is: 10,826,657.62
Step by Step Solution
- Step 1: Write the proportion equation
12,185,182.14 : 16,823,208.78 = 7,841,833.08 : x - Step 2: Convert to fraction form
12,185,182.14/16,823,208.78 = 7,841,833.08/x - Step 3: Cross multiply
12,185,182.14x = 16,823,208.78 × 7,841,833.08 - Step 4: Simplify right side
12,185,182.14x = 131,924,795,122,750.45 - Step 5: Solve for x
x = 131,924,795,122,750.45/12,185,182.14 - Step 6: Final answer
x = 10,826,657.62
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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.