Finding the Fourth Proportional to 21,344,523.44, 29,455,408.50 and 11,554,964.96
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Solution
The fourth proportional to 21,344,523.44, 29,455,408.50 and 11,554,964.96 is: 15,945,833.32
Step by Step Solution
- Step 1: Write the proportion equation
21,344,523.44 : 29,455,408.50 = 11,554,964.96 : x - Step 2: Convert to fraction form
21,344,523.44/29,455,408.50 = 11,554,964.96/x - Step 3: Cross multiply
21,344,523.44x = 29,455,408.50 × 11,554,964.96 - Step 4: Simplify right side
21,344,523.44x = 340,356,213,099,986.19 - Step 5: Solve for x
x = 340,356,213,099,986.19/21,344,523.44 - Step 6: Final answer
x = 15,945,833.32
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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.