Finding the Fourth Proportional to 10,972,508.67, 15,149,459.03 and 6,848,820.27
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Solution
The fourth proportional to 10,972,508.67, 15,149,459.03 and 6,848,820.27 is: 9,455,989.07
Step by Step Solution
- Step 1: Write the proportion equation
10,972,508.67 : 15,149,459.03 = 6,848,820.27 : x - Step 2: Convert to fraction form
10,972,508.67/15,149,459.03 = 6,848,820.27/x - Step 3: Cross multiply
10,972,508.67x = 15,149,459.03 × 6,848,820.27 - Step 4: Simplify right side
10,972,508.67x = 103,755,922,049,954.44 - Step 5: Solve for x
x = 103,755,922,049,954.44/10,972,508.67 - Step 6: Final answer
x = 9,455,989.07
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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.