Finding the Fourth Proportional to 11,365,442.10, 15,684,869.97 and 6,470,761.14
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Solution
The fourth proportional to 11,365,442.10, 15,684,869.97 and 6,470,761.14 is: 8,929,969.13
Step by Step Solution
- Step 1: Write the proportion equation
11,365,442.10 : 15,684,869.97 = 6,470,761.14 : x - Step 2: Convert to fraction form
11,365,442.10/15,684,869.97 = 6,470,761.14/x - Step 3: Cross multiply
11,365,442.10x = 15,684,869.97 × 6,470,761.14 - Step 4: Simplify right side
11,365,442.10x = 101,493,047,087,828.97 - Step 5: Solve for x
x = 101,493,047,087,828.97/11,365,442.10 - Step 6: Final answer
x = 8,929,969.13
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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.