Finding the Fourth Proportional to 9,800,974.84, 14,691,866.08 and 5,485,132.68
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Solution
The fourth proportional to 9,800,974.84, 14,691,866.08 and 5,485,132.68 is: 8,222,328.50
Step by Step Solution
- Step 1: Write the proportion equation
9,800,974.84 : 14,691,866.08 = 5,485,132.68 : x - Step 2: Convert to fraction form
9,800,974.84/14,691,866.08 = 5,485,132.68/x - Step 3: Cross multiply
9,800,974.84x = 14,691,866.08 × 5,485,132.68 - Step 4: Simplify right side
9,800,974.84x = 80,586,834,765,591.48 - Step 5: Solve for x
x = 80,586,834,765,591.48/9,800,974.84 - Step 6: Final answer
x = 8,222,328.50
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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.