Finding the Fourth Proportional to 11,779,942.70, 17,669,400.08 and 3,692,733.81
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Solution
The fourth proportional to 11,779,942.70, 17,669,400.08 and 3,692,733.81 is: 5,538,939.60
Step by Step Solution
- Step 1: Write the proportion equation
11,779,942.70 : 17,669,400.08 = 3,692,733.81 : x - Step 2: Convert to fraction form
11,779,942.70/17,669,400.08 = 3,692,733.81/x - Step 3: Cross multiply
11,779,942.70x = 17,669,400.08 × 3,692,733.81 - Step 4: Simplify right side
11,779,942.70x = 65,248,391,059,369.03 - Step 5: Solve for x
x = 65,248,391,059,369.03/11,779,942.70 - Step 6: Final answer
x = 5,538,939.60
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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.