Finding the Fourth Proportional to 32,686,577.68, 45,104,139.12 and 20,125,637.68
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Solution
The fourth proportional to 32,686,577.68, 45,104,139.12 and 20,125,637.68 is: 27,771,324.69
Step by Step Solution
- Step 1: Write the proportion equation
32,686,577.68 : 45,104,139.12 = 20,125,637.68 : x - Step 2: Convert to fraction form
32,686,577.68/45,104,139.12 = 20,125,637.68/x - Step 3: Cross multiply
32,686,577.68x = 45,104,139.12 × 20,125,637.68 - Step 4: Simplify right side
32,686,577.68x = 907,749,561,797,434 - Step 5: Solve for x
x = 907,749,561,797,434/32,686,577.68 - Step 6: Final answer
x = 27,771,324.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.