Finding the Fourth Proportional to 9,999,917.99, 15,000,763.01 and 2,811,514.45
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Solution
The fourth proportional to 9,999,917.99, 15,000,763.01 and 2,811,514.45 is: 4,217,520.78
Step by Step Solution
- Step 1: Write the proportion equation
9,999,917.99 : 15,000,763.01 = 2,811,514.45 : x - Step 2: Convert to fraction form
9,999,917.99/15,000,763.01 = 2,811,514.45/x - Step 3: Cross multiply
9,999,917.99x = 15,000,763.01 × 2,811,514.45 - Step 4: Simplify right side
9,999,917.99x = 42,174,861,963,640.50 - Step 5: Solve for x
x = 42,174,861,963,640.50/9,999,917.99 - Step 6: Final answer
x = 4,217,520.78
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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.