Finding the Fourth Proportional to 12,873,897.76, 17,766,276.24 and 7,073,042.08
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Solution
The fourth proportional to 12,873,897.76, 17,766,276.24 and 7,073,042.08 is: 9,760,961.43
Step by Step Solution
- Step 1: Write the proportion equation
12,873,897.76 : 17,766,276.24 = 7,073,042.08 : x - Step 2: Convert to fraction form
12,873,897.76/17,766,276.24 = 7,073,042.08/x - Step 3: Cross multiply
12,873,897.76x = 17,766,276.24 × 7,073,042.08 - Step 4: Simplify right side
12,873,897.76x = 125,661,619,450,424.17 - Step 5: Solve for x
x = 125,661,619,450,424.17/12,873,897.76 - Step 6: Final answer
x = 9,760,961.43
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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.