Finding the Fourth Proportional to 14,208,529.98, 19,609,290.90 and 8,705,556.84
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Solution
The fourth proportional to 14,208,529.98, 19,609,290.90 and 8,705,556.84 is: 12,014,599.45
Step by Step Solution
- Step 1: Write the proportion equation
14,208,529.98 : 19,609,290.90 = 8,705,556.84 : x - Step 2: Convert to fraction form
14,208,529.98/19,609,290.90 = 8,705,556.84/x - Step 3: Cross multiply
14,208,529.98x = 19,609,290.90 × 8,705,556.84 - Step 4: Simplify right side
14,208,529.98x = 170,709,796,522,044.75 - Step 5: Solve for x
x = 170,709,796,522,044.75/14,208,529.98 - Step 6: Final answer
x = 12,014,599.45
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1.5x scale
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.