Finding the Fourth Proportional to 8,515,398.12, 12,775,053.18 and 2,450,180.09
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Solution
The fourth proportional to 8,515,398.12, 12,775,053.18 and 2,450,180.09 is: 3,675,832.94
Step by Step Solution
- Step 1: Write the proportion equation
8,515,398.12 : 12,775,053.18 = 2,450,180.09 : x - Step 2: Convert to fraction form
8,515,398.12/12,775,053.18 = 2,450,180.09/x - Step 3: Cross multiply
8,515,398.12x = 12,775,053.18 × 2,450,180.09 - Step 4: Simplify right side
8,515,398.12x = 31,301,180,912,703.41 - Step 5: Solve for x
x = 31,301,180,912,703.41/8,515,398.12 - Step 6: Final answer
x = 3,675,832.94
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.