Finding the Fourth Proportional to 32,585,541.40, 48,905,868.30 and 13,430,045.80
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Solution
The fourth proportional to 32,585,541.40, 48,905,868.30 and 13,430,045.80 is: 20,156,425.92
Step by Step Solution
- Step 1: Write the proportion equation
32,585,541.40 : 48,905,868.30 = 13,430,045.80 : x - Step 2: Convert to fraction form
32,585,541.40/48,905,868.30 = 13,430,045.80/x - Step 3: Cross multiply
32,585,541.40x = 48,905,868.30 × 13,430,045.80 - Step 4: Simplify right side
32,585,541.40x = 656,808,051,157,768.12 - Step 5: Solve for x
x = 656,808,051,157,768.12/32,585,541.40 - Step 6: Final answer
x = 20,156,425.92
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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.