Finding the Fourth Proportional to 12,627,511.92, 17,430,705.18 and 8,276,878.44
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Solution
The fourth proportional to 12,627,511.92, 17,430,705.18 and 8,276,878.44 is: 11,425,198.31
Step by Step Solution
- Step 1: Write the proportion equation
12,627,511.92 : 17,430,705.18 = 8,276,878.44 : x - Step 2: Convert to fraction form
12,627,511.92/17,430,705.18 = 8,276,878.44/x - Step 3: Cross multiply
12,627,511.92x = 17,430,705.18 × 8,276,878.44 - Step 4: Simplify right side
12,627,511.92x = 144,271,827,898,338.31 - Step 5: Solve for x
x = 144,271,827,898,338.31/12,627,511.92 - Step 6: Final answer
x = 11,425,198.31
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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.