Finding the Fourth Proportional to 13,987,134.44, 19,297,125.34 and 8,476,533.92
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Solution
The fourth proportional to 13,987,134.44, 19,297,125.34 and 8,476,533.92 is: 11,694,513.86
Step by Step Solution
- Step 1: Write the proportion equation
13,987,134.44 : 19,297,125.34 = 8,476,533.92 : x - Step 2: Convert to fraction form
13,987,134.44/19,297,125.34 = 8,476,533.92/x - Step 3: Cross multiply
13,987,134.44x = 19,297,125.34 × 8,476,533.92 - Step 4: Simplify right side
13,987,134.44x = 163,572,737,503,001.53 - Step 5: Solve for x
x = 163,572,737,503,001.53/13,987,134.44 - Step 6: Final answer
x = 11,694,513.86
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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.