Finding the Fourth Proportional to 37,116,665.68, 51,220,893.80 and 20,599,283.92
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Solution
The fourth proportional to 37,116,665.68, 51,220,893.80 and 20,599,283.92 is: 28,426,953.63
Step by Step Solution
- Step 1: Write the proportion equation
37,116,665.68 : 51,220,893.80 = 20,599,283.92 : x - Step 2: Convert to fraction form
37,116,665.68/51,220,893.80 = 20,599,283.92/x - Step 3: Cross multiply
37,116,665.68x = 51,220,893.80 × 20,599,283.92 - Step 4: Simplify right side
37,116,665.68x = 1,055,113,734,022,367.75 - Step 5: Solve for x
x = 1,055,113,734,022,367.75/37,116,665.68 - Step 6: Final answer
x = 28,426,953.63
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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.