Finding the Fourth Proportional to 17,649,356.64, 24,358,563.60 and 9,914,987.28
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Solution
The fourth proportional to 17,649,356.64, 24,358,563.60 and 9,914,987.28 is: 13,684,059.61
Step by Step Solution
- Step 1: Write the proportion equation
17,649,356.64 : 24,358,563.60 = 9,914,987.28 : x - Step 2: Convert to fraction form
17,649,356.64/24,358,563.60 = 9,914,987.28/x - Step 3: Cross multiply
17,649,356.64x = 24,358,563.60 × 9,914,987.28 - Step 4: Simplify right side
17,649,356.64x = 241,514,848,253,071 - Step 5: Solve for x
x = 241,514,848,253,071/17,649,356.64 - Step 6: Final answer
x = 13,684,059.61
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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.