Finding the Fourth Proportional to 19,392,051.20, 29,088,076.80 and 16,406,067.20
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Solution
The fourth proportional to 19,392,051.20, 29,088,076.80 and 16,406,067.20 is: 24,609,100.80
Step by Step Solution
- Step 1: Write the proportion equation
19,392,051.20 : 29,088,076.80 = 16,406,067.20 : x - Step 2: Convert to fraction form
19,392,051.20/29,088,076.80 = 16,406,067.20/x - Step 3: Cross multiply
19,392,051.20x = 29,088,076.80 × 16,406,067.20 - Step 4: Simplify right side
19,392,051.20x = 477,220,942,699,560.94 - Step 5: Solve for x
x = 477,220,942,699,560.94/19,392,051.20 - Step 6: Final answer
x = 24,609,100.80
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1.5x scale
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.