Finding the Fourth Proportional to 19,423,397.80, 29,135,096.70 and 15,833,218.60
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Solution
The fourth proportional to 19,423,397.80, 29,135,096.70 and 15,833,218.60 is: 23,749,827.90
Step by Step Solution
- Step 1: Write the proportion equation
19,423,397.80 : 29,135,096.70 = 15,833,218.60 : x - Step 2: Convert to fraction form
19,423,397.80/29,135,096.70 = 15,833,218.60/x - Step 3: Cross multiply
19,423,397.80x = 29,135,096.70 × 15,833,218.60 - Step 4: Simplify right side
19,423,397.80x = 461,302,354,983,238.62 - Step 5: Solve for x
x = 461,302,354,983,238.62/19,423,397.80 - Step 6: Final answer
x = 23,749,827.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.