Finding the Fourth Proportional to 16,129,793.60, 24,194,690.40 and 15,134,465.60
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Solution
The fourth proportional to 16,129,793.60, 24,194,690.40 and 15,134,465.60 is: 22,701,698.40
Step by Step Solution
- Step 1: Write the proportion equation
16,129,793.60 : 24,194,690.40 = 15,134,465.60 : x - Step 2: Convert to fraction form
16,129,793.60/24,194,690.40 = 15,134,465.60/x - Step 3: Cross multiply
16,129,793.60x = 24,194,690.40 × 15,134,465.60 - Step 4: Simplify right side
16,129,793.60x = 366,173,709,561,450.19 - Step 5: Solve for x
x = 366,173,709,561,450.19/16,129,793.60 - Step 6: Final answer
x = 22,701,698.40
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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.