Finding the Fourth Proportional to 15,705,246.28, 21,674,548.76 and 8,737,236.46
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Solution
The fourth proportional to 15,705,246.28, 21,674,548.76 and 8,737,236.46 is: 12,058,114.49
Step by Step Solution
- Step 1: Write the proportion equation
15,705,246.28 : 21,674,548.76 = 8,737,236.46 : x - Step 2: Convert to fraction form
15,705,246.28/21,674,548.76 = 8,737,236.46/x - Step 3: Cross multiply
15,705,246.28x = 21,674,548.76 × 8,737,236.46 - Step 4: Simplify right side
15,705,246.28x = 189,375,657,723,184.62 - Step 5: Solve for x
x = 189,375,657,723,184.62/15,705,246.28 - Step 6: Final answer
x = 12,058,114.49
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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.