Finding the Fourth Proportional to 22,862,601.12, 34,430,761.50 and 20,821,867.68
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Solution
The fourth proportional to 22,862,601.12, 34,430,761.50 and 20,821,867.68 is: 31,357,445.13
Step by Step Solution
- Step 1: Write the proportion equation
22,862,601.12 : 34,430,761.50 = 20,821,867.68 : x - Step 2: Convert to fraction form
22,862,601.12/34,430,761.50 = 20,821,867.68/x - Step 3: Cross multiply
22,862,601.12x = 34,430,761.50 × 20,821,867.68 - Step 4: Simplify right side
22,862,601.12x = 716,912,760,074,638.25 - Step 5: Solve for x
x = 716,912,760,074,638.25/22,862,601.12 - Step 6: Final answer
x = 31,357,445.13
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.