Finding the Fourth Proportional to 11,345,209.68, 15,656,489.28 and 6,188,594.16
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Solution
The fourth proportional to 11,345,209.68, 15,656,489.28 and 6,188,594.16 is: 8,540,314.45
Step by Step Solution
- Step 1: Write the proportion equation
11,345,209.68 : 15,656,489.28 = 6,188,594.16 : x - Step 2: Convert to fraction form
11,345,209.68/15,656,489.28 = 6,188,594.16/x - Step 3: Cross multiply
11,345,209.68x = 15,656,489.28 × 6,188,594.16 - Step 4: Simplify right side
11,345,209.68x = 96,891,658,124,310.61 - Step 5: Solve for x
x = 96,891,658,124,310.61/11,345,209.68 - Step 6: Final answer
x = 8,540,314.45
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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.