Finding the Fourth Proportional to 29,490,630.30, 44,235,945.45 and 19,286,963.10
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Solution
The fourth proportional to 29,490,630.30, 44,235,945.45 and 19,286,963.10 is: 28,930,444.65
Step by Step Solution
- Step 1: Write the proportion equation
29,490,630.30 : 44,235,945.45 = 19,286,963.10 : x - Step 2: Convert to fraction form
29,490,630.30/44,235,945.45 = 19,286,963.10/x - Step 3: Cross multiply
29,490,630.30x = 44,235,945.45 × 19,286,963.10 - Step 4: Simplify right side
29,490,630.30x = 853,177,047,587,763 - Step 5: Solve for x
x = 853,177,047,587,763/29,490,630.30 - Step 6: Final answer
x = 28,930,444.65
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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.