Finding the Fourth Proportional to 7,381,988.70, 11,072,983.05 and 6,673,400.70
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Solution
The fourth proportional to 7,381,988.70, 11,072,983.05 and 6,673,400.70 is: 10,010,101.05
Step by Step Solution
- Step 1: Write the proportion equation
7,381,988.70 : 11,072,983.05 = 6,673,400.70 : x - Step 2: Convert to fraction form
7,381,988.70/11,072,983.05 = 6,673,400.70/x - Step 3: Cross multiply
7,381,988.70x = 11,072,983.05 × 6,673,400.70 - Step 4: Simplify right side
7,381,988.70x = 73,894,452,836,958.14 - Step 5: Solve for x
x = 73,894,452,836,958.14/7,381,988.70 - Step 6: Final answer
x = 10,010,101.05
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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.