Finding the Fourth Proportional to 7,918,360.44, 11,877,580.21 and 2,800,795.05
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Solution
The fourth proportional to 7,918,360.44, 11,877,580.21 and 2,800,795.05 is: 4,201,206.56
Step by Step Solution
- Step 1: Write the proportion equation
7,918,360.44 : 11,877,580.21 = 2,800,795.05 : x - Step 2: Convert to fraction form
7,918,360.44/11,877,580.21 = 2,800,795.05/x - Step 3: Cross multiply
7,918,360.44x = 11,877,580.21 × 2,800,795.05 - Step 4: Simplify right side
7,918,360.44x = 33,266,667,851,143.97 - Step 5: Solve for x
x = 33,266,667,851,143.97/7,918,360.44 - Step 6: Final answer
x = 4,201,206.56
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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.