Finding the Fourth Proportional to 13,590,727.97, 18,755,207.17 and 7,479,156.47
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Solution
The fourth proportional to 13,590,727.97, 18,755,207.17 and 7,479,156.47 is: 10,321,237.34
Step by Step Solution
- Step 1: Write the proportion equation
13,590,727.97 : 18,755,207.17 = 7,479,156.47 : x - Step 2: Convert to fraction form
13,590,727.97/18,755,207.17 = 7,479,156.47/x - Step 3: Cross multiply
13,590,727.97x = 18,755,207.17 × 7,479,156.47 - Step 4: Simplify right side
13,590,727.97x = 140,273,128,939,221.97 - Step 5: Solve for x
x = 140,273,128,939,221.97/13,590,727.97 - Step 6: Final answer
x = 10,321,237.34
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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.