Finding the Fourth Proportional to 10,329,729.50, 15,504,302.02 and 5,409,292.91
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Solution
The fourth proportional to 10,329,729.50, 15,504,302.02 and 5,409,292.91 is: 8,119,022.95
Step by Step Solution
- Step 1: Write the proportion equation
10,329,729.50 : 15,504,302.02 = 5,409,292.91 : x - Step 2: Convert to fraction form
10,329,729.50/15,504,302.02 = 5,409,292.91/x - Step 3: Cross multiply
10,329,729.50x = 15,504,302.02 × 5,409,292.91 - Step 4: Simplify right side
10,329,729.50x = 83,867,310,900,239.94 - Step 5: Solve for x
x = 83,867,310,900,239.94/10,329,729.50 - Step 6: Final answer
x = 8,119,022.95
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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.