Finding the Fourth Proportional to 21,474,478, 29,634,779.64 and 11,816,686
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Solution
The fourth proportional to 21,474,478, 29,634,779.64 and 11,816,686 is: 16,307,026.68
Step by Step Solution
- Step 1: Write the proportion equation
21,474,478 : 29,634,779.64 = 11,816,686 : x - Step 2: Convert to fraction form
21,474,478/29,634,779.64 = 11,816,686/x - Step 3: Cross multiply
21,474,478x = 29,634,779.64 × 11,816,686 - Step 4: Simplify right side
21,474,478x = 350,184,885,685,073.06 - Step 5: Solve for x
x = 350,184,885,685,073.06/21,474,478 - Step 6: Final answer
x = 16,307,026.68
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.