Finding the Fourth Proportional to 8,638,291.82, 12,956,106.09 and 2,881,126.14
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Solution
The fourth proportional to 8,638,291.82, 12,956,106.09 and 2,881,126.14 is: 4,321,245.07
Step by Step Solution
- Step 1: Write the proportion equation
8,638,291.82 : 12,956,106.09 = 2,881,126.14 : x - Step 2: Convert to fraction form
8,638,291.82/12,956,106.09 = 2,881,126.14/x - Step 3: Cross multiply
8,638,291.82x = 12,956,106.09 × 2,881,126.14 - Step 4: Simplify right side
8,638,291.82x = 37,328,175,928,512.20 - Step 5: Solve for x
x = 37,328,175,928,512.20/8,638,291.82 - Step 6: Final answer
x = 4,321,245.07
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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.