Finding the Fourth Proportional to 11,115,837.10, 15,341,466.20 and 6,405,316.12
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Solution
The fourth proportional to 11,115,837.10, 15,341,466.20 and 6,405,316.12 is: 8,840,264.56
Step by Step Solution
- Step 1: Write the proportion equation
11,115,837.10 : 15,341,466.20 = 6,405,316.12 : x - Step 2: Convert to fraction form
11,115,837.10/15,341,466.20 = 6,405,316.12/x - Step 3: Cross multiply
11,115,837.10x = 15,341,466.20 × 6,405,316.12 - Step 4: Simplify right side
11,115,837.10x = 98,266,940,755,295.14 - Step 5: Solve for x
x = 98,266,940,755,295.14/11,115,837.10 - Step 6: Final answer
x = 8,840,264.56
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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.