Finding the Fourth Proportional to 21,674,715.96, 32,489,316.18 and 7,292,790.84
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Solution
The fourth proportional to 21,674,715.96, 32,489,316.18 and 7,292,790.84 is: 10,931,529.06
Step by Step Solution
- Step 1: Write the proportion equation
21,674,715.96 : 32,489,316.18 = 7,292,790.84 : x - Step 2: Convert to fraction form
21,674,715.96/32,489,316.18 = 7,292,790.84/x - Step 3: Cross multiply
21,674,715.96x = 32,489,316.18 × 7,292,790.84 - Step 4: Simplify right side
21,674,715.96x = 236,937,787,435,367.78 - Step 5: Solve for x
x = 236,937,787,435,367.78/21,674,715.96 - Step 6: Final answer
x = 10,931,529.06
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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.