Finding the Fourth Proportional to 12,296,327.40, 18,414,966.60 and 6,604,003.80
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Solution
The fourth proportional to 12,296,327.40, 18,414,966.60 and 6,604,003.80 is: 9,890,148.94
Step by Step Solution
- Step 1: Write the proportion equation
12,296,327.40 : 18,414,966.60 = 6,604,003.80 : x - Step 2: Convert to fraction form
12,296,327.40/18,414,966.60 = 6,604,003.80/x - Step 3: Cross multiply
12,296,327.40x = 18,414,966.60 × 6,604,003.80 - Step 4: Simplify right side
12,296,327.40x = 121,612,509,403,273.09 - Step 5: Solve for x
x = 121,612,509,403,273.09/12,296,327.40 - Step 6: Final answer
x = 9,890,148.94
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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.