Finding the Fourth Proportional to 11,762,335.25, 17,638,646.37 and 5,107,905.07
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Solution
The fourth proportional to 11,762,335.25, 17,638,646.37 and 5,107,905.07 is: 7,659,748.63
Step by Step Solution
- Step 1: Write the proportion equation
11,762,335.25 : 17,638,646.37 = 5,107,905.07 : x - Step 2: Convert to fraction form
11,762,335.25/17,638,646.37 = 5,107,905.07/x - Step 3: Cross multiply
11,762,335.25x = 17,638,646.37 × 5,107,905.07 - Step 4: Simplify right side
11,762,335.25x = 90,096,531,257,226.23 - Step 5: Solve for x
x = 90,096,531,257,226.23/11,762,335.25 - Step 6: Final answer
x = 7,659,748.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.