Finding the Fourth Proportional to 13,902,464.48, 19,178,583.36 and 12,064,342.88
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Solution
The fourth proportional to 13,902,464.48, 19,178,583.36 and 12,064,342.88 is: 16,642,876.95
Step by Step Solution
- Step 1: Write the proportion equation
13,902,464.48 : 19,178,583.36 = 12,064,342.88 : x - Step 2: Convert to fraction form
13,902,464.48/19,178,583.36 = 12,064,342.88/x - Step 3: Cross multiply
13,902,464.48x = 19,178,583.36 × 12,064,342.88 - Step 4: Simplify right side
13,902,464.48x = 231,377,005,607,702.50 - Step 5: Solve for x
x = 231,377,005,607,702.50/13,902,464.48 - Step 6: Final answer
x = 16,642,876.95
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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.