Finding the Fourth Proportional to 22,569,739.92, 31,146,247.20 and 12,256,460.28
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Solution
The fourth proportional to 22,569,739.92, 31,146,247.20 and 12,256,460.28 is: 16,913,918.50
Step by Step Solution
- Step 1: Write the proportion equation
22,569,739.92 : 31,146,247.20 = 12,256,460.28 : x - Step 2: Convert to fraction form
22,569,739.92/31,146,247.20 = 12,256,460.28/x - Step 3: Cross multiply
22,569,739.92x = 31,146,247.20 × 12,256,460.28 - Step 4: Simplify right side
22,569,739.92x = 381,742,741,677,861.19 - Step 5: Solve for x
x = 381,742,741,677,861.19/22,569,739.92 - Step 6: Final answer
x = 16,913,918.50
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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.