Finding the Fourth Proportional to 14,213,695.47, 19,615,796.65 and 8,016,481.05
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Solution
The fourth proportional to 14,213,695.47, 19,615,796.65 and 8,016,481.05 is: 11,063,249.70
Step by Step Solution
- Step 1: Write the proportion equation
14,213,695.47 : 19,615,796.65 = 8,016,481.05 : x - Step 2: Convert to fraction form
14,213,695.47/19,615,796.65 = 8,016,481.05/x - Step 3: Cross multiply
14,213,695.47x = 19,615,796.65 × 8,016,481.05 - Step 4: Simplify right side
14,213,695.47x = 157,249,662,194,729.06 - Step 5: Solve for x
x = 157,249,662,194,729.06/14,213,695.47 - Step 6: Final answer
x = 11,063,249.70
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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.