Finding the Fourth Proportional to 6,961,804.08, 9,607,897.56 and 4,062,129.12
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Solution
The fourth proportional to 6,961,804.08, 9,607,897.56 and 4,062,129.12 is: 5,606,092.91
Step by Step Solution
- Step 1: Write the proportion equation
6,961,804.08 : 9,607,897.56 = 4,062,129.12 : x - Step 2: Convert to fraction form
6,961,804.08/9,607,897.56 = 4,062,129.12/x - Step 3: Cross multiply
6,961,804.08x = 9,607,897.56 × 4,062,129.12 - Step 4: Simplify right side
6,961,804.08x = 39,028,520,460,452.95 - Step 5: Solve for x
x = 39,028,520,460,452.95/6,961,804.08 - Step 6: Final answer
x = 5,606,092.91
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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.