Finding the Fourth Proportional to 9,930,835.68, 14,902,785.36 and 5,446,260.96
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Solution
The fourth proportional to 9,930,835.68, 14,902,785.36 and 5,446,260.96 is: 8,172,973.63
Step by Step Solution
- Step 1: Write the proportion equation
9,930,835.68 : 14,902,785.36 = 5,446,260.96 : x - Step 2: Convert to fraction form
9,930,835.68/14,902,785.36 = 5,446,260.96/x - Step 3: Cross multiply
9,930,835.68x = 14,902,785.36 × 5,446,260.96 - Step 4: Simplify right side
9,930,835.68x = 81,164,458,101,427.55 - Step 5: Solve for x
x = 81,164,458,101,427.55/9,930,835.68 - Step 6: Final answer
x = 8,172,973.63
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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.