Finding the Fourth Proportional to 7,921,033.63, 11,879,648.02 and 3,657,105.07
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Solution
The fourth proportional to 7,921,033.63, 11,879,648.02 and 3,657,105.07 is: 5,484,779.26
Step by Step Solution
- Step 1: Write the proportion equation
7,921,033.63 : 11,879,648.02 = 3,657,105.07 : x - Step 2: Convert to fraction form
7,921,033.63/11,879,648.02 = 3,657,105.07/x - Step 3: Cross multiply
7,921,033.63x = 11,879,648.02 × 3,657,105.07 - Step 4: Simplify right side
7,921,033.63x = 43,445,121,003,757.46 - Step 5: Solve for x
x = 43,445,121,003,757.46/7,921,033.63 - Step 6: Final answer
x = 5,484,779.26
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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.