Finding the Fourth Proportional to 26,189,468.33, 39,259,775.60 and 8,905,858.38
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Solution
The fourth proportional to 26,189,468.33, 39,259,775.60 and 8,905,858.38 is: 13,350,481.08
Step by Step Solution
- Step 1: Write the proportion equation
26,189,468.33 : 39,259,775.60 = 8,905,858.38 : x - Step 2: Convert to fraction form
26,189,468.33/39,259,775.60 = 8,905,858.38/x - Step 3: Cross multiply
26,189,468.33x = 39,259,775.60 × 8,905,858.38 - Step 4: Simplify right side
26,189,468.33x = 349,642,001,479,650.25 - Step 5: Solve for x
x = 349,642,001,479,650.25/26,189,468.33 - Step 6: Final answer
x = 13,350,481.08
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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.