Finding the Fourth Proportional to 10,138,568.22, 15,207,848.91 and 6,733,503.09
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Solution
The fourth proportional to 10,138,568.22, 15,207,848.91 and 6,733,503.09 is: 10,100,252.36
Step by Step Solution
- Step 1: Write the proportion equation
10,138,568.22 : 15,207,848.91 = 6,733,503.09 : x - Step 2: Convert to fraction form
10,138,568.22/15,207,848.91 = 6,733,503.09/x - Step 3: Cross multiply
10,138,568.22x = 15,207,848.91 × 6,733,503.09 - Step 4: Simplify right side
10,138,568.22x = 102,402,097,627,738.12 - Step 5: Solve for x
x = 102,402,097,627,738.12/10,138,568.22 - Step 6: Final answer
x = 10,100,252.36
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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.