Finding the Fourth Proportional to 8,889,982, 12,265,686.36 and 5,582,632.88
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Solution
The fourth proportional to 8,889,982, 12,265,686.36 and 5,582,632.88 is: 7,702,470.49
Step by Step Solution
- Step 1: Write the proportion equation
8,889,982 : 12,265,686.36 = 5,582,632.88 : x - Step 2: Convert to fraction form
8,889,982/12,265,686.36 = 5,582,632.88/x - Step 3: Cross multiply
8,889,982x = 12,265,686.36 × 5,582,632.88 - Step 4: Simplify right side
8,889,982x = 68,474,823,969,103.52 - Step 5: Solve for x
x = 68,474,823,969,103.52/8,889,982 - Step 6: Final answer
x = 7,702,470.49
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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.