Finding the Fourth Proportional to 18,579,127.46, 27,873,735.99 and 5,625,712.70
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Solution
The fourth proportional to 18,579,127.46, 27,873,735.99 and 5,625,712.70 is: 8,440,096.61
Step by Step Solution
- Step 1: Write the proportion equation
18,579,127.46 : 27,873,735.99 = 5,625,712.70 : x - Step 2: Convert to fraction form
18,579,127.46/27,873,735.99 = 5,625,712.70/x - Step 3: Cross multiply
18,579,127.46x = 27,873,735.99 × 5,625,712.70 - Step 4: Simplify right side
18,579,127.46x = 156,809,630,625,074.41 - Step 5: Solve for x
x = 156,809,630,625,074.41/18,579,127.46 - Step 6: Final answer
x = 8,440,096.61
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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.