Finding the Fourth Proportional to 18,850,722.48, 26,014,340.97 and 10,478,878.38
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Solution
The fourth proportional to 18,850,722.48, 26,014,340.97 and 10,478,878.38 is: 14,461,043.36
Step by Step Solution
- Step 1: Write the proportion equation
18,850,722.48 : 26,014,340.97 = 10,478,878.38 : x - Step 2: Convert to fraction form
18,850,722.48/26,014,340.97 = 10,478,878.38/x - Step 3: Cross multiply
18,850,722.48x = 26,014,340.97 × 10,478,878.38 - Step 4: Simplify right side
18,850,722.48x = 272,601,115,160,481.25 - Step 5: Solve for x
x = 272,601,115,160,481.25/18,850,722.48 - Step 6: Final answer
x = 14,461,043.36
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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.