Finding the Fourth Proportional to 22,520,278.24, 31,077,151.36 and 12,206,779.92
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Solution
The fourth proportional to 22,520,278.24, 31,077,151.36 and 12,206,779.92 is: 16,844,904.99
Step by Step Solution
- Step 1: Write the proportion equation
22,520,278.24 : 31,077,151.36 = 12,206,779.92 : x - Step 2: Convert to fraction form
22,520,278.24/31,077,151.36 = 12,206,779.92/x - Step 3: Cross multiply
22,520,278.24x = 31,077,151.36 × 12,206,779.92 - Step 4: Simplify right side
22,520,278.24x = 379,351,947,192,048.69 - Step 5: Solve for x
x = 379,351,947,192,048.69/22,520,278.24 - Step 6: Final answer
x = 16,844,904.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.