Finding the Fourth Proportional to 11,343,170.34, 15,654,920.22 and 6,449,130.90
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Solution
The fourth proportional to 11,343,170.34, 15,654,920.22 and 6,449,130.90 is: 8,900,565.42
Step by Step Solution
- Step 1: Write the proportion equation
11,343,170.34 : 15,654,920.22 = 6,449,130.90 : x - Step 2: Convert to fraction form
11,343,170.34/15,654,920.22 = 6,449,130.90/x - Step 3: Cross multiply
11,343,170.34x = 15,654,920.22 × 6,449,130.90 - Step 4: Simplify right side
11,343,170.34x = 100,960,629,727,836.81 - Step 5: Solve for x
x = 100,960,629,727,836.81/11,343,170.34 - Step 6: Final answer
x = 8,900,565.42
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1.5x scale
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.