Finding the Fourth Proportional to 7,897,137, 11,845,707.12 and 2,848,446.96
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Solution
The fourth proportional to 7,897,137, 11,845,707.12 and 2,848,446.96 is: 4,272,671.02
Step by Step Solution
- Step 1: Write the proportion equation
7,897,137 : 11,845,707.12 = 2,848,446.96 : x - Step 2: Convert to fraction form
7,897,137/11,845,707.12 = 2,848,446.96/x - Step 3: Cross multiply
7,897,137x = 11,845,707.12 × 2,848,446.96 - Step 4: Simplify right side
7,897,137x = 33,741,868,435,014.35 - Step 5: Solve for x
x = 33,741,868,435,014.35/7,897,137 - Step 6: Final answer
x = 4,272,671.02
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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.