Finding the Fourth Proportional to 29,369,944.38, 40,479,219.36 and 21,512,763.87
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Solution
The fourth proportional to 29,369,944.38, 40,479,219.36 and 21,512,763.87 is: 29,650,035.30
Step by Step Solution
- Step 1: Write the proportion equation
29,369,944.38 : 40,479,219.36 = 21,512,763.87 : x - Step 2: Convert to fraction form
29,369,944.38/40,479,219.36 = 21,512,763.87/x - Step 3: Cross multiply
29,369,944.38x = 40,479,219.36 × 21,512,763.87 - Step 4: Simplify right side
29,369,944.38x = 870,819,887,733,612.50 - Step 5: Solve for x
x = 870,819,887,733,612.50/29,369,944.38 - Step 6: Final answer
x = 29,650,035.30
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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.