Finding the Fourth Proportional to 21,506,304.25, 29,678,610.36 and 11,716,717.96
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Solution
The fourth proportional to 21,506,304.25, 29,678,610.36 and 11,716,717.96 is: 16,169,022.02
Step by Step Solution
- Step 1: Write the proportion equation
21,506,304.25 : 29,678,610.36 = 11,716,717.96 : x - Step 2: Convert to fraction form
21,506,304.25/29,678,610.36 = 11,716,717.96/x - Step 3: Cross multiply
21,506,304.25x = 29,678,610.36 × 11,716,717.96 - Step 4: Simplify right side
21,506,304.25x = 347,735,907,032,854.06 - Step 5: Solve for x
x = 347,735,907,032,854.06/21,506,304.25 - Step 6: Final answer
x = 16,169,022.02
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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.