Finding the Fourth Proportional to 29,273,707.20, 40,398,601.68 and 16,219,744.80
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Solution
The fourth proportional to 29,273,707.20, 40,398,601.68 and 16,219,744.80 is: 22,383,738.59
Step by Step Solution
- Step 1: Write the proportion equation
29,273,707.20 : 40,398,601.68 = 16,219,744.80 : x - Step 2: Convert to fraction form
29,273,707.20/40,398,601.68 = 16,219,744.80/x - Step 3: Cross multiply
29,273,707.20x = 40,398,601.68 × 16,219,744.80 - Step 4: Simplify right side
29,273,707.20x = 655,255,009,526,451.25 - Step 5: Solve for x
x = 655,255,009,526,451.25/29,273,707.20 - Step 6: Final answer
x = 22,383,738.59
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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.