Finding the Fourth Proportional to 17,987,059.80, 24,830,248.68 and 11,469,449.88
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Solution
The fourth proportional to 17,987,059.80, 24,830,248.68 and 11,469,449.88 is: 15,833,009.73
Step by Step Solution
- Step 1: Write the proportion equation
17,987,059.80 : 24,830,248.68 = 11,469,449.88 : x - Step 2: Convert to fraction form
17,987,059.80/24,830,248.68 = 11,469,449.88/x - Step 3: Cross multiply
17,987,059.80x = 24,830,248.68 × 11,469,449.88 - Step 4: Simplify right side
17,987,059.80x = 284,789,292,743,196.19 - Step 5: Solve for x
x = 284,789,292,743,196.19/17,987,059.80 - Step 6: Final answer
x = 15,833,009.73
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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.