Finding the Fourth Proportional to 32,341,930.80, 48,512,896.20 and 20,862,805.20
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Solution
The fourth proportional to 32,341,930.80, 48,512,896.20 and 20,862,805.20 is: 31,294,207.80
Step by Step Solution
- Step 1: Write the proportion equation
32,341,930.80 : 48,512,896.20 = 20,862,805.20 : x - Step 2: Convert to fraction form
32,341,930.80/48,512,896.20 = 20,862,805.20/x - Step 3: Cross multiply
32,341,930.80x = 48,512,896.20 × 20,862,805.20 - Step 4: Simplify right side
32,341,930.80x = 1,012,115,103,108,420.25 - Step 5: Solve for x
x = 1,012,115,103,108,420.25/32,341,930.80 - Step 6: Final answer
x = 31,294,207.80
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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.