Finding the Fourth Proportional to 7,830,752.75, 10,806,512.50 and 4,393,067.59
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Solution
The fourth proportional to 7,830,752.75, 10,806,512.50 and 4,393,067.59 is: 6,062,474.62
Step by Step Solution
- Step 1: Write the proportion equation
7,830,752.75 : 10,806,512.50 = 4,393,067.59 : x - Step 2: Convert to fraction form
7,830,752.75/10,806,512.50 = 4,393,067.59/x - Step 3: Cross multiply
7,830,752.75x = 10,806,512.50 × 4,393,067.59 - Step 4: Simplify right side
7,830,752.75x = 47,473,739,824,679.88 - Step 5: Solve for x
x = 47,473,739,824,679.88/7,830,752.75 - Step 6: Final answer
x = 6,062,474.62
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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.