Finding the Fourth Proportional to 16,162,709.21, 22,305,011.58 and 8,821,013.24
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Solution
The fourth proportional to 16,162,709.21, 22,305,011.58 and 8,821,013.24 is: 12,173,256.35
Step by Step Solution
- Step 1: Write the proportion equation
16,162,709.21 : 22,305,011.58 = 8,821,013.24 : x - Step 2: Convert to fraction form
16,162,709.21/22,305,011.58 = 8,821,013.24/x - Step 3: Cross multiply
16,162,709.21x = 22,305,011.58 × 8,821,013.24 - Step 4: Simplify right side
16,162,709.21x = 196,752,802,465,533.31 - Step 5: Solve for x
x = 196,752,802,465,533.31/16,162,709.21 - Step 6: Final answer
x = 12,173,256.35
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1.5x scale
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.