Finding the Fourth Proportional to 16,291,913.40, 24,416,874.90 and 12,486,533.40
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Solution
The fourth proportional to 16,291,913.40, 24,416,874.90 and 12,486,533.40 is: 18,713,708.85
Step by Step Solution
- Step 1: Write the proportion equation
16,291,913.40 : 24,416,874.90 = 12,486,533.40 : x - Step 2: Convert to fraction form
16,291,913.40/24,416,874.90 = 12,486,533.40/x - Step 3: Cross multiply
16,291,913.40x = 24,416,874.90 × 12,486,533.40 - Step 4: Simplify right side
16,291,913.40x = 304,882,123,962,471.62 - Step 5: Solve for x
x = 304,882,123,962,471.62/16,291,913.40 - Step 6: Final answer
x = 18,713,708.85
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.