Finding the Fourth Proportional to 29,328,296.80, 44,002,942.80 and 12,294,191.20
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Solution
The fourth proportional to 29,328,296.80, 44,002,942.80 and 12,294,191.20 is: 18,445,687.31
Step by Step Solution
- Step 1: Write the proportion equation
29,328,296.80 : 44,002,942.80 = 12,294,191.20 : x - Step 2: Convert to fraction form
29,328,296.80/44,002,942.80 = 12,294,191.20/x - Step 3: Cross multiply
29,328,296.80x = 44,002,942.80 × 12,294,191.20 - Step 4: Simplify right side
29,328,296.80x = 540,980,592,145,863.31 - Step 5: Solve for x
x = 540,980,592,145,863.31/29,328,296.80 - Step 6: Final answer
x = 18,445,687.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.