Finding the Fourth Proportional to 19,789,529.11, 29,651,462.03 and 14,003,575.99
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Solution
The fourth proportional to 19,789,529.11, 29,651,462.03 and 14,003,575.99 is: 20,982,131.48
Step by Step Solution
- Step 1: Write the proportion equation
19,789,529.11 : 29,651,462.03 = 14,003,575.99 : x - Step 2: Convert to fraction form
19,789,529.11/29,651,462.03 = 14,003,575.99/x - Step 3: Cross multiply
19,789,529.11x = 29,651,462.03 × 14,003,575.99 - Step 4: Simplify right side
19,789,529.11x = 415,226,501,712,584.94 - Step 5: Solve for x
x = 415,226,501,712,584.94/19,789,529.11 - Step 6: Final answer
x = 20,982,131.48
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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.