Finding the Fourth Proportional to 7,887,092.40, 11,835,304.20 and 5,751,802.80
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Solution
The fourth proportional to 7,887,092.40, 11,835,304.20 and 5,751,802.80 is: 8,631,106.67
Step by Step Solution
- Step 1: Write the proportion equation
7,887,092.40 : 11,835,304.20 = 5,751,802.80 : x - Step 2: Convert to fraction form
7,887,092.40/11,835,304.20 = 5,751,802.80/x - Step 3: Cross multiply
7,887,092.40x = 11,835,304.20 × 5,751,802.80 - Step 4: Simplify right side
7,887,092.40x = 68,074,335,836,411.75 - Step 5: Solve for x
x = 68,074,335,836,411.75/7,887,092.40 - Step 6: Final answer
x = 8,631,106.67
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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.