Finding the Fourth Proportional to 7,830,731.97, 10,806,483.87 and 4,393,046.79
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Solution
The fourth proportional to 7,830,731.97, 10,806,483.87 and 4,393,046.79 is: 6,062,445.94
Step by Step Solution
- Step 1: Write the proportion equation
7,830,731.97 : 10,806,483.87 = 4,393,046.79 : x - Step 2: Convert to fraction form
7,830,731.97/10,806,483.87 = 4,393,046.79/x - Step 3: Cross multiply
7,830,731.97x = 10,806,483.87 × 4,393,046.79 - Step 4: Simplify right side
7,830,731.97x = 47,473,389,276,290.27 - Step 5: Solve for x
x = 47,473,389,276,290.27/7,830,731.97 - Step 6: Final answer
x = 6,062,445.94
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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.