Finding the Fourth Proportional to 19,932,067.80, 29,898,101.70 and 17,412,643.80
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Solution
The fourth proportional to 19,932,067.80, 29,898,101.70 and 17,412,643.80 is: 26,118,965.70
Step by Step Solution
- Step 1: Write the proportion equation
19,932,067.80 : 29,898,101.70 = 17,412,643.80 : x - Step 2: Convert to fraction form
19,932,067.80/29,898,101.70 = 17,412,643.80/x - Step 3: Cross multiply
19,932,067.80x = 29,898,101.70 × 17,412,643.80 - Step 4: Simplify right side
19,932,067.80x = 520,604,995,198,274.50 - Step 5: Solve for x
x = 520,604,995,198,274.50/19,932,067.80 - Step 6: Final answer
x = 26,118,965.70
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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.