Finding the Fourth Proportional to 16,299,251.70, 24,431,021.55 and 8,199,309.30
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Solution
The fourth proportional to 16,299,251.70, 24,431,021.55 and 8,199,309.30 is: 12,289,981.52
Step by Step Solution
- Step 1: Write the proportion equation
16,299,251.70 : 24,431,021.55 = 8,199,309.30 : x - Step 2: Convert to fraction form
16,299,251.70/24,431,021.55 = 8,199,309.30/x - Step 3: Cross multiply
16,299,251.70x = 24,431,021.55 × 8,199,309.30 - Step 4: Simplify right side
16,299,251.70x = 200,317,502,203,415.41 - Step 5: Solve for x
x = 200,317,502,203,415.41/16,299,251.70 - Step 6: Final answer
x = 12,289,981.52
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1.5x scale
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.