Finding the Fourth Proportional to 8,670,753.41, 11,938,340.43 and 7,361,415.68
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Solution
The fourth proportional to 8,670,753.41, 11,938,340.43 and 7,361,415.68 is: 10,135,576.72
Step by Step Solution
- Step 1: Write the proportion equation
8,670,753.41 : 11,938,340.43 = 7,361,415.68 : x - Step 2: Convert to fraction form
8,670,753.41/11,938,340.43 = 7,361,415.68/x - Step 3: Cross multiply
8,670,753.41x = 11,938,340.43 × 7,361,415.68 - Step 4: Simplify right side
8,670,753.41x = 87,883,086,374,888.23 - Step 5: Solve for x
x = 87,883,086,374,888.23/8,670,753.41 - Step 6: Final answer
x = 10,135,576.72
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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.