Finding the Fourth Proportional to 8,124,356.94, 11,212,761.08 and 5,027,878.14
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Solution
The fourth proportional to 8,124,356.94, 11,212,761.08 and 5,027,878.14 is: 6,939,182.60
Step by Step Solution
- Step 1: Write the proportion equation
8,124,356.94 : 11,212,761.08 = 5,027,878.14 : x - Step 2: Convert to fraction form
8,124,356.94/11,212,761.08 = 5,027,878.14/x - Step 3: Cross multiply
8,124,356.94x = 11,212,761.08 × 5,027,878.14 - Step 4: Simplify right side
8,124,356.94x = 56,376,396,323,174.79 - Step 5: Solve for x
x = 56,376,396,323,174.79/8,124,356.94 - Step 6: Final answer
x = 6,939,182.60
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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.