Finding the Fourth Proportional to 14,260,246.80, 21,380,923.80 and 7,873,558.80
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Solution
The fourth proportional to 14,260,246.80, 21,380,923.80 and 7,873,558.80 is: 11,805,122.53
Step by Step Solution
- Step 1: Write the proportion equation
14,260,246.80 : 21,380,923.80 = 7,873,558.80 : x - Step 2: Convert to fraction form
14,260,246.80/21,380,923.80 = 7,873,558.80/x - Step 3: Cross multiply
14,260,246.80x = 21,380,923.80 × 7,873,558.80 - Step 4: Simplify right side
14,260,246.80x = 168,343,960,737,619.44 - Step 5: Solve for x
x = 168,343,960,737,619.44/14,260,246.80 - Step 6: Final answer
x = 11,805,122.53
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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.