Finding the Fourth Proportional to 7,447,577.92, 11,171,350.35 and 1,982,674.09
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Solution
The fourth proportional to 7,447,577.92, 11,171,350.35 and 1,982,674.09 is: 2,974,006.73
Step by Step Solution
- Step 1: Write the proportion equation
7,447,577.92 : 11,171,350.35 = 1,982,674.09 : x - Step 2: Convert to fraction form
7,447,577.92/11,171,350.35 = 1,982,674.09/x - Step 3: Cross multiply
7,447,577.92x = 11,171,350.35 × 1,982,674.09 - Step 4: Simplify right side
7,447,577.92x = 22,149,146,889,257.43 - Step 5: Solve for x
x = 22,149,146,889,257.43/7,447,577.92 - Step 6: Final answer
x = 2,974,006.73
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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.