Finding the Fourth Proportional to 8,490,189.42, 11,716,671.33 and 4,622,922.18
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Solution
The fourth proportional to 8,490,189.42, 11,716,671.33 and 4,622,922.18 is: 6,379,746.92
Step by Step Solution
- Step 1: Write the proportion equation
8,490,189.42 : 11,716,671.33 = 4,622,922.18 : x - Step 2: Convert to fraction form
8,490,189.42/11,716,671.33 = 4,622,922.18/x - Step 3: Cross multiply
8,490,189.42x = 11,716,671.33 × 4,622,922.18 - Step 4: Simplify right side
8,490,189.42x = 54,165,259,767,227.09 - Step 5: Solve for x
x = 54,165,259,767,227.09/8,490,189.42 - Step 6: Final answer
x = 6,379,746.92
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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.