Finding the Fourth Proportional to 11,418,721.99, 17,130,002.88 and 5,661,739.73
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Solution
The fourth proportional to 11,418,721.99, 17,130,002.88 and 5,661,739.73 is: 8,493,561.54
Step by Step Solution
- Step 1: Write the proportion equation
11,418,721.99 : 17,130,002.88 = 5,661,739.73 : x - Step 2: Convert to fraction form
11,418,721.99/17,130,002.88 = 5,661,739.73/x - Step 3: Cross multiply
11,418,721.99x = 17,130,002.88 × 5,661,739.73 - Step 4: Simplify right side
11,418,721.99x = 96,985,617,944,766.95 - Step 5: Solve for x
x = 96,985,617,944,766.95/11,418,721.99 - Step 6: Final answer
x = 8,493,561.54
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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.