Finding the Fourth Proportional to 14,450,276.56, 21,693,911.76 and 12,413,964.84
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Solution
The fourth proportional to 14,450,276.56, 21,693,911.76 and 12,413,964.84 is: 18,636,837.62
Step by Step Solution
- Step 1: Write the proportion equation
14,450,276.56 : 21,693,911.76 = 12,413,964.84 : x - Step 2: Convert to fraction form
14,450,276.56/21,693,911.76 = 12,413,964.84/x - Step 3: Cross multiply
14,450,276.56x = 21,693,911.76 × 12,413,964.84 - Step 4: Simplify right side
14,450,276.56x = 269,307,457,830,702.53 - Step 5: Solve for x
x = 269,307,457,830,702.53/14,450,276.56 - Step 6: Final answer
x = 18,636,837.62
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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.