Finding the Fourth Proportional to 18,611,679.76, 27,917,526.12 and 5,833,175.92
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Solution
The fourth proportional to 18,611,679.76, 27,917,526.12 and 5,833,175.92 is: 8,749,765.91
Step by Step Solution
- Step 1: Write the proportion equation
18,611,679.76 : 27,917,526.12 = 5,833,175.92 : x - Step 2: Convert to fraction form
18,611,679.76/27,917,526.12 = 5,833,175.92/x - Step 3: Cross multiply
18,611,679.76x = 27,917,526.12 × 5,833,175.92 - Step 4: Simplify right side
18,611,679.76x = 162,847,841,109,155.03 - Step 5: Solve for x
x = 162,847,841,109,155.03/18,611,679.76 - Step 6: Final answer
x = 8,749,765.91
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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.