Finding the Fourth Proportional to 12,104,701.73, 18,157,134.33 and 4,425,187.38
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Solution
The fourth proportional to 12,104,701.73, 18,157,134.33 and 4,425,187.38 is: 6,637,810.95
Step by Step Solution
- Step 1: Write the proportion equation
12,104,701.73 : 18,157,134.33 = 4,425,187.38 : x - Step 2: Convert to fraction form
12,104,701.73/18,157,134.33 = 4,425,187.38/x - Step 3: Cross multiply
12,104,701.73x = 18,157,134.33 × 4,425,187.38 - Step 4: Simplify right side
12,104,701.73x = 80,348,721,694,080.75 - Step 5: Solve for x
x = 80,348,721,694,080.75/12,104,701.73 - Step 6: Final answer
x = 6,637,810.95
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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.