Finding the Fourth Proportional to 22,862,608.68, 34,430,772.84 and 20,821,875.24
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Solution
The fourth proportional to 22,862,608.68, 34,430,772.84 and 20,821,875.24 is: 31,357,456.47
Step by Step Solution
- Step 1: Write the proportion equation
22,862,608.68 : 34,430,772.84 = 20,821,875.24 : x - Step 2: Convert to fraction form
22,862,608.68/34,430,772.84 = 20,821,875.24/x - Step 3: Cross multiply
22,862,608.68x = 34,430,772.84 × 20,821,875.24 - Step 4: Simplify right side
22,862,608.68x = 716,913,256,491,260.50 - Step 5: Solve for x
x = 716,913,256,491,260.50/22,862,608.68 - Step 6: Final answer
x = 31,357,456.47
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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.