Finding the Fourth Proportional to 22,862,602.12, 34,430,763.01 and 20,821,868.68
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Solution
The fourth proportional to 22,862,602.12, 34,430,763.01 and 20,821,868.68 is: 31,357,446.64
Step by Step Solution
- Step 1: Write the proportion equation
22,862,602.12 : 34,430,763.01 = 20,821,868.68 : x - Step 2: Convert to fraction form
22,862,602.12/34,430,763.01 = 20,821,868.68/x - Step 3: Cross multiply
22,862,602.12x = 34,430,763.01 × 20,821,868.68 - Step 4: Simplify right side
22,862,602.12x = 716,912,825,946,421.50 - Step 5: Solve for x
x = 716,912,825,946,421.50/22,862,602.12 - Step 6: Final answer
x = 31,357,446.64
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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.