Finding the Fourth Proportional to 10,932,261.28, 15,088,366.48 and 6,351,239.84
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Solution
The fourth proportional to 10,932,261.28, 15,088,366.48 and 6,351,239.84 is: 8,765,783.39
Step by Step Solution
- Step 1: Write the proportion equation
10,932,261.28 : 15,088,366.48 = 6,351,239.84 : x - Step 2: Convert to fraction form
10,932,261.28/15,088,366.48 = 6,351,239.84/x - Step 3: Cross multiply
10,932,261.28x = 15,088,366.48 × 6,351,239.84 - Step 4: Simplify right side
10,932,261.28x = 95,829,834,308,296.56 - Step 5: Solve for x
x = 95,829,834,308,296.56/10,932,261.28 - Step 6: Final answer
x = 8,765,783.39
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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.