Finding the Fourth Proportional to 10,913,708.07, 15,060,932.08 and 5,952,161.40
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Solution
The fourth proportional to 10,913,708.07, 15,060,932.08 and 5,952,161.40 is: 8,213,990.88
Step by Step Solution
- Step 1: Write the proportion equation
10,913,708.07 : 15,060,932.08 = 5,952,161.40 : x - Step 2: Convert to fraction form
10,913,708.07/15,060,932.08 = 5,952,161.40/x - Step 3: Cross multiply
10,913,708.07x = 15,060,932.08 × 5,952,161.40 - Step 4: Simplify right side
10,913,708.07x = 89,645,098,570,028.25 - Step 5: Solve for x
x = 89,645,098,570,028.25/10,913,708.07 - Step 6: Final answer
x = 8,213,990.88
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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.