Finding the Fourth Proportional to 21,335,040.29, 29,442,354.84 and 11,545,484.37
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Solution
The fourth proportional to 21,335,040.29, 29,442,354.84 and 11,545,484.37 is: 15,932,768.02
Step by Step Solution
- Step 1: Write the proportion equation
21,335,040.29 : 29,442,354.84 = 11,545,484.37 : x - Step 2: Convert to fraction form
21,335,040.29/29,442,354.84 = 11,545,484.37/x - Step 3: Cross multiply
21,335,040.29x = 29,442,354.84 × 11,545,484.37 - Step 4: Simplify right side
21,335,040.29x = 339,926,247,621,213.81 - Step 5: Solve for x
x = 339,926,247,621,213.81/21,335,040.29 - Step 6: Final answer
x = 15,932,768.02
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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.