Finding the Fourth Proportional to 16,047,295.68, 22,139,880.48 and 9,166,905.12
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Solution
The fourth proportional to 16,047,295.68, 22,139,880.48 and 9,166,905.12 is: 12,647,251.46
Step by Step Solution
- Step 1: Write the proportion equation
16,047,295.68 : 22,139,880.48 = 9,166,905.12 : x - Step 2: Convert to fraction form
16,047,295.68/22,139,880.48 = 9,166,905.12/x - Step 3: Cross multiply
16,047,295.68x = 22,139,880.48 × 9,166,905.12 - Step 4: Simplify right side
16,047,295.68x = 202,954,183,728,300.03 - Step 5: Solve for x
x = 202,954,183,728,300.03/16,047,295.68 - Step 6: Final answer
x = 12,647,251.46
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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.