Finding the Fourth Proportional to 20,117,249.64, 27,761,032.98 and 11,414,903.31
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Solution
The fourth proportional to 20,117,249.64, 27,761,032.98 and 11,414,903.31 is: 15,752,128.79
Step by Step Solution
- Step 1: Write the proportion equation
20,117,249.64 : 27,761,032.98 = 11,414,903.31 : x - Step 2: Convert to fraction form
20,117,249.64/27,761,032.98 = 11,414,903.31/x - Step 3: Cross multiply
20,117,249.64x = 27,761,032.98 × 11,414,903.31 - Step 4: Simplify right side
20,117,249.64x = 316,889,507,252,421.19 - Step 5: Solve for x
x = 316,889,507,252,421.19/20,117,249.64 - Step 6: Final answer
x = 15,752,128.79
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.