Finding the Fourth Proportional to 11,878,673.16, 17,820,634.13 and 4,305,442.08
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Solution
The fourth proportional to 11,878,673.16, 17,820,634.13 and 4,305,442.08 is: 6,459,114.33
Step by Step Solution
- Step 1: Write the proportion equation
11,878,673.16 : 17,820,634.13 = 4,305,442.08 : x - Step 2: Convert to fraction form
11,878,673.16/17,820,634.13 = 4,305,442.08/x - Step 3: Cross multiply
11,878,673.16x = 17,820,634.13 × 4,305,442.08 - Step 4: Simplify right side
11,878,673.16x = 76,725,707,997,246.62 - Step 5: Solve for x
x = 76,725,707,997,246.62/11,878,673.16 - Step 6: Final answer
x = 6,459,114.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.