Finding the Fourth Proportional to 7,344,947.12, 10,135,222.16 and 4,247,001.68
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Solution
The fourth proportional to 7,344,947.12, 10,135,222.16 and 4,247,001.68 is: 5,860,396.93
Step by Step Solution
- Step 1: Write the proportion equation
7,344,947.12 : 10,135,222.16 = 4,247,001.68 : x - Step 2: Convert to fraction form
7,344,947.12/10,135,222.16 = 4,247,001.68/x - Step 3: Cross multiply
7,344,947.12x = 10,135,222.16 × 4,247,001.68 - Step 4: Simplify right side
7,344,947.12x = 43,044,305,540,693.23 - Step 5: Solve for x
x = 43,044,305,540,693.23/7,344,947.12 - Step 6: Final answer
x = 5,860,396.93
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.