Finding the Fourth Proportional to 16,251,939.43, 22,427,190.93 and 8,909,521.63
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Solution
The fourth proportional to 16,251,939.43, 22,427,190.93 and 8,909,521.63 is: 12,294,873.70
Step by Step Solution
- Step 1: Write the proportion equation
16,251,939.43 : 22,427,190.93 = 8,909,521.63 : x - Step 2: Convert to fraction form
16,251,939.43/22,427,190.93 = 8,909,521.63/x - Step 3: Cross multiply
16,251,939.43x = 22,427,190.93 × 8,909,521.63 - Step 4: Simplify right side
16,251,939.43x = 199,815,542,690,974.84 - Step 5: Solve for x
x = 199,815,542,690,974.84/16,251,939.43 - Step 6: Final answer
x = 12,294,873.70
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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.