Finding the Fourth Proportional to 14,395,218.38, 19,860,550.84 and 8,195,878.67
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Solution
The fourth proportional to 14,395,218.38, 19,860,550.84 and 8,195,878.67 is: 11,307,550.94
Step by Step Solution
- Step 1: Write the proportion equation
14,395,218.38 : 19,860,550.84 = 8,195,878.67 : x - Step 2: Convert to fraction form
14,395,218.38/19,860,550.84 = 8,195,878.67/x - Step 3: Cross multiply
14,395,218.38x = 19,860,550.84 × 8,195,878.67 - Step 4: Simplify right side
14,395,218.38x = 162,774,665,064,348.16 - Step 5: Solve for x
x = 162,774,665,064,348.16/14,395,218.38 - Step 6: Final answer
x = 11,307,550.94
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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.