Finding the Fourth Proportional to 11,814,289.75, 17,721,434.63 and 2,838,841.75
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Solution
The fourth proportional to 11,814,289.75, 17,721,434.63 and 2,838,841.75 is: 4,258,262.63
Step by Step Solution
- Step 1: Write the proportion equation
11,814,289.75 : 17,721,434.63 = 2,838,841.75 : x - Step 2: Convert to fraction form
11,814,289.75/17,721,434.63 = 2,838,841.75/x - Step 3: Cross multiply
11,814,289.75x = 17,721,434.63 × 2,838,841.75 - Step 4: Simplify right side
11,814,289.75x = 50,308,348,497,539.80 - Step 5: Solve for x
x = 50,308,348,497,539.80/11,814,289.75 - Step 6: Final answer
x = 4,258,262.63
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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.