Finding the Fourth Proportional to 11,345,203.18, 15,656,480.32 and 6,188,587.66
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Solution
The fourth proportional to 11,345,203.18, 15,656,480.32 and 6,188,587.66 is: 8,540,305.48
Step by Step Solution
- Step 1: Write the proportion equation
11,345,203.18 : 15,656,480.32 = 6,188,587.66 : x - Step 2: Convert to fraction form
11,345,203.18/15,656,480.32 = 6,188,587.66/x - Step 3: Cross multiply
11,345,203.18x = 15,656,480.32 × 6,188,587.66 - Step 4: Simplify right side
11,345,203.18x = 96,891,500,907,384.86 - Step 5: Solve for x
x = 96,891,500,907,384.86/11,345,203.18 - Step 6: Final answer
x = 8,540,305.48
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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.