Finding the Fourth Proportional to 16,442,849.70, 24,664,274.55 and 7,939,793.70
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Solution
The fourth proportional to 16,442,849.70, 24,664,274.55 and 7,939,793.70 is: 11,909,690.55
Step by Step Solution
- Step 1: Write the proportion equation
16,442,849.70 : 24,664,274.55 = 7,939,793.70 : x - Step 2: Convert to fraction form
16,442,849.70/24,664,274.55 = 7,939,793.70/x - Step 3: Cross multiply
16,442,849.70x = 24,664,274.55 × 7,939,793.70 - Step 4: Simplify right side
16,442,849.70x = 195,829,251,687,160.34 - Step 5: Solve for x
x = 195,829,251,687,160.34/16,442,849.70 - Step 6: Final answer
x = 11,909,690.55
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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.