Finding the Fourth Proportional to 14,361,728.40, 19,822,586.76 and 8,253,697.68
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Solution
The fourth proportional to 14,361,728.40, 19,822,586.76 and 8,253,697.68 is: 11,392,057.68
Step by Step Solution
- Step 1: Write the proportion equation
14,361,728.40 : 19,822,586.76 = 8,253,697.68 : x - Step 2: Convert to fraction form
14,361,728.40/19,822,586.76 = 8,253,697.68/x - Step 3: Cross multiply
14,361,728.40x = 19,822,586.76 × 8,253,697.68 - Step 4: Simplify right side
14,361,728.40x = 163,609,638,352,610.72 - Step 5: Solve for x
x = 163,609,638,352,610.72/14,361,728.40 - Step 6: Final answer
x = 11,392,057.68
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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.