Finding the Fourth Proportional to 11,888,649.86, 17,827,354.19 and 4,605,521.09
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Solution
The fourth proportional to 11,888,649.86, 17,827,354.19 and 4,605,521.09 is: 6,906,104.28
Step by Step Solution
- Step 1: Write the proportion equation
11,888,649.86 : 17,827,354.19 = 4,605,521.09 : x - Step 2: Convert to fraction form
11,888,649.86/17,827,354.19 = 4,605,521.09/x - Step 3: Cross multiply
11,888,649.86x = 17,827,354.19 × 4,605,521.09 - Step 4: Simplify right side
11,888,649.86x = 82,104,255,623,321.89 - Step 5: Solve for x
x = 82,104,255,623,321.89/11,888,649.86 - Step 6: Final answer
x = 6,906,104.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.