Finding the Fourth Proportional to 11,454,971.56, 15,807,435.62 and 6,298,026.28
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Solution
The fourth proportional to 11,454,971.56, 15,807,435.62 and 6,298,026.28 is: 8,691,042.53
Step by Step Solution
- Step 1: Write the proportion equation
11,454,971.56 : 15,807,435.62 = 6,298,026.28 : x - Step 2: Convert to fraction form
11,454,971.56/15,807,435.62 = 6,298,026.28/x - Step 3: Cross multiply
11,454,971.56x = 15,807,435.62 × 6,298,026.28 - Step 4: Simplify right side
11,454,971.56x = 99,555,644,954,168.09 - Step 5: Solve for x
x = 99,555,644,954,168.09/11,454,971.56 - Step 6: Final answer
x = 8,691,042.53
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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.