Finding the Fourth Proportional to 21,334,494.67, 29,441,680.20 and 11,544,937.84
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Solution
The fourth proportional to 21,334,494.67, 29,441,680.20 and 11,544,937.84 is: 15,932,056.19
Step by Step Solution
- Step 1: Write the proportion equation
21,334,494.67 : 29,441,680.20 = 11,544,937.84 : x - Step 2: Convert to fraction form
21,334,494.67/29,441,680.20 = 11,544,937.84/x - Step 3: Cross multiply
21,334,494.67x = 29,441,680.20 × 11,544,937.84 - Step 4: Simplify right side
21,334,494.67x = 339,902,367,814,158.75 - Step 5: Solve for x
x = 339,902,367,814,158.75/21,334,494.67 - Step 6: Final answer
x = 15,932,056.19
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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.