Finding the Fourth Proportional to 14,214,889.92, 21,309,432.48 and 7,383,478.08
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Solution
The fourth proportional to 14,214,889.92, 21,309,432.48 and 7,383,478.08 is: 11,068,515.37
Step by Step Solution
- Step 1: Write the proportion equation
14,214,889.92 : 21,309,432.48 = 7,383,478.08 : x - Step 2: Convert to fraction form
14,214,889.92/21,309,432.48 = 7,383,478.08/x - Step 3: Cross multiply
14,214,889.92x = 21,309,432.48 × 7,383,478.08 - Step 4: Simplify right side
14,214,889.92x = 157,337,727,613,320.03 - Step 5: Solve for x
x = 157,337,727,613,320.03/14,214,889.92 - Step 6: Final answer
x = 11,068,515.37
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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.