Finding the Fourth Proportional to 15,490,893.79, 23,239,489.97 and 5,394,302.11
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Solution
The fourth proportional to 15,490,893.79, 23,239,489.97 and 5,394,302.11 is: 8,092,549.82
Step by Step Solution
- Step 1: Write the proportion equation
15,490,893.79 : 23,239,489.97 = 5,394,302.11 : x - Step 2: Convert to fraction form
15,490,893.79/23,239,489.97 = 5,394,302.11/x - Step 3: Cross multiply
15,490,893.79x = 23,239,489.97 × 5,394,302.11 - Step 4: Simplify right side
15,490,893.79x = 125,360,829,780,494.84 - Step 5: Solve for x
x = 125,360,829,780,494.84/15,490,893.79 - Step 6: Final answer
x = 8,092,549.82
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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.