Finding the Fourth Proportional to 11,278,043.37, 15,563,282.90 and 6,121,295.01
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Solution
The fourth proportional to 11,278,043.37, 15,563,282.90 and 6,121,295.01 is: 8,447,160.81
Step by Step Solution
- Step 1: Write the proportion equation
11,278,043.37 : 15,563,282.90 = 6,121,295.01 : x - Step 2: Convert to fraction form
11,278,043.37/15,563,282.90 = 6,121,295.01/x - Step 3: Cross multiply
11,278,043.37x = 15,563,282.90 × 6,121,295.01 - Step 4: Simplify right side
11,278,043.37x = 95,267,445,924,381.84 - Step 5: Solve for x
x = 95,267,445,924,381.84/11,278,043.37 - Step 6: Final answer
x = 8,447,160.81
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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.