Finding the Fourth Proportional to 14,276,577.50, 21,388,884.70 and 12,746,027.42
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Solution
The fourth proportional to 14,276,577.50, 21,388,884.70 and 12,746,027.42 is: 19,095,844.99
Step by Step Solution
- Step 1: Write the proportion equation
14,276,577.50 : 21,388,884.70 = 12,746,027.42 : x - Step 2: Convert to fraction form
14,276,577.50/21,388,884.70 = 12,746,027.42/x - Step 3: Cross multiply
14,276,577.50x = 21,388,884.70 × 12,746,027.42 - Step 4: Simplify right side
14,276,577.50x = 272,623,310,869,418.47 - Step 5: Solve for x
x = 272,623,310,869,418.47/14,276,577.50 - Step 6: Final answer
x = 19,095,844.99
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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.