Finding the Fourth Proportional to 10,187,229.88, 14,078,539.56 and 8,348,789.08
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Solution
The fourth proportional to 10,187,229.88, 14,078,539.56 and 8,348,789.08 is: 11,537,852.66
Step by Step Solution
- Step 1: Write the proportion equation
10,187,229.88 : 14,078,539.56 = 8,348,789.08 : x - Step 2: Convert to fraction form
10,187,229.88/14,078,539.56 = 8,348,789.08/x - Step 3: Cross multiply
10,187,229.88x = 14,078,539.56 × 8,348,789.08 - Step 4: Simplify right side
10,187,229.88x = 117,538,757,340,876.02 - Step 5: Solve for x
x = 117,538,757,340,876.02/10,187,229.88 - Step 6: Final answer
x = 11,537,852.66
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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.