Finding the Fourth Proportional to 16,127,997.20, 22,256,626.08 and 8,884,653.20
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Solution
The fourth proportional to 16,127,997.20, 22,256,626.08 and 8,884,653.20 is: 12,260,815.88
Step by Step Solution
- Step 1: Write the proportion equation
16,127,997.20 : 22,256,626.08 = 8,884,653.20 : x - Step 2: Convert to fraction form
16,127,997.20/22,256,626.08 = 8,884,653.20/x - Step 3: Cross multiply
16,127,997.20x = 22,256,626.08 × 8,884,653.20 - Step 4: Simplify right side
16,127,997.20x = 197,742,404,122,875.44 - Step 5: Solve for x
x = 197,742,404,122,875.44/16,127,997.20 - Step 6: Final answer
x = 12,260,815.88
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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.